Home / 1,187,459.52-1,781,637.60-714,477.02

Finding the Fourth Proportional to 1,187,459.52, 1,781,637.60 and 714,477.02

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Solution

The fourth proportional to 1,187,459.52, 1,781,637.60 and 714,477.02 is: 1,071,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,459.52 : 1,781,637.60 = 714,477.02 : x
  2. Step 2: Convert to fraction form
    1,187,459.52/1,781,637.60 = 714,477.02/x
  3. Step 3: Cross multiply
    1,187,459.52x = 1,781,637.60 × 714,477.02
  4. Step 4: Simplify right side
    1,187,459.52x = 1,272,939,123,167.95
  5. Step 5: Solve for x
    x = 1,272,939,123,167.95/1,187,459.52
  6. Step 6: Final answer
    x = 1,071,985.28

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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.