Home / 1,124,006.40-1,685,221.20-413,942.40

Finding the Fourth Proportional to 1,124,006.40, 1,685,221.20 and 413,942.40

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Solution

The fourth proportional to 1,124,006.40, 1,685,221.20 and 413,942.40 is: 620,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,006.40 : 1,685,221.20 = 413,942.40 : x
  2. Step 2: Convert to fraction form
    1,124,006.40/1,685,221.20 = 413,942.40/x
  3. Step 3: Cross multiply
    1,124,006.40x = 1,685,221.20 × 413,942.40
  4. Step 4: Simplify right side
    1,124,006.40x = 697,584,508,058.88
  5. Step 5: Solve for x
    x = 697,584,508,058.88/1,124,006.40
  6. Step 6: Final answer
    x = 620,623.25

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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.