Home / 1,122,502.31-1,684,417.76-413,028.57

Finding the Fourth Proportional to 1,122,502.31, 1,684,417.76 and 413,028.57

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Solution

The fourth proportional to 1,122,502.31, 1,684,417.76 and 413,028.57 is: 619,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,502.31 : 1,684,417.76 = 413,028.57 : x
  2. Step 2: Convert to fraction form
    1,122,502.31/1,684,417.76 = 413,028.57/x
  3. Step 3: Cross multiply
    1,122,502.31x = 1,684,417.76 × 413,028.57
  4. Step 4: Simplify right side
    1,122,502.31x = 695,712,658,695.40
  5. Step 5: Solve for x
    x = 695,712,658,695.40/1,122,502.31
  6. Step 6: Final answer
    x = 619,787.28

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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.