Home / 1,124,011.20-1,685,228.13-413,948.10

Finding the Fourth Proportional to 1,124,011.20, 1,685,228.13 and 413,948.10

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Solution

The fourth proportional to 1,124,011.20, 1,685,228.13 and 413,948.10 is: 620,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,011.20 : 1,685,228.13 = 413,948.10 : x
  2. Step 2: Convert to fraction form
    1,124,011.20/1,685,228.13 = 413,948.10/x
  3. Step 3: Cross multiply
    1,124,011.20x = 1,685,228.13 × 413,948.10
  4. Step 4: Simplify right side
    1,124,011.20x = 697,596,982,480.05
  5. Step 5: Solve for x
    x = 697,596,982,480.05/1,124,011.20
  6. Step 6: Final answer
    x = 620,631.70

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Double scale
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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.