Home / 1,124,044.40-1,685,278.20-413,980.40

Finding the Fourth Proportional to 1,124,044.40, 1,685,278.20 and 413,980.40

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Solution

The fourth proportional to 1,124,044.40, 1,685,278.20 and 413,980.40 is: 620,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,044.40 : 1,685,278.20 = 413,980.40 : x
  2. Step 2: Convert to fraction form
    1,124,044.40/1,685,278.20 = 413,980.40/x
  3. Step 3: Cross multiply
    1,124,044.40x = 1,685,278.20 × 413,980.40
  4. Step 4: Simplify right side
    1,124,044.40x = 697,672,143,347.28
  5. Step 5: Solve for x
    x = 697,672,143,347.28/1,124,044.40
  6. Step 6: Final answer
    x = 620,680.24

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.