Home / 1,277,248.55-1,915,166.15-507,967.20

Finding the Fourth Proportional to 1,277,248.55, 1,915,166.15 and 507,967.20

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Solution

The fourth proportional to 1,277,248.55, 1,915,166.15 and 507,967.20 is: 761,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,248.55 : 1,915,166.15 = 507,967.20 : x
  2. Step 2: Convert to fraction form
    1,277,248.55/1,915,166.15 = 507,967.20/x
  3. Step 3: Cross multiply
    1,277,248.55x = 1,915,166.15 × 507,967.20
  4. Step 4: Simplify right side
    1,277,248.55x = 972,841,587,543.98
  5. Step 5: Solve for x
    x = 972,841,587,543.98/1,277,248.55
  6. Step 6: Final answer
    x = 761,669.75

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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.