Home / 1,070,315.92-1,605,741.63-755,387.92

Finding the Fourth Proportional to 1,070,315.92, 1,605,741.63 and 755,387.92

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Solution

The fourth proportional to 1,070,315.92, 1,605,741.63 and 755,387.92 is: 1,133,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,315.92 : 1,605,741.63 = 755,387.92 : x
  2. Step 2: Convert to fraction form
    1,070,315.92/1,605,741.63 = 755,387.92/x
  3. Step 3: Cross multiply
    1,070,315.92x = 1,605,741.63 × 755,387.92
  4. Step 4: Simplify right side
    1,070,315.92x = 1,212,957,829,943.11
  5. Step 5: Solve for x
    x = 1,212,957,829,943.11/1,070,315.92
  6. Step 6: Final answer
    x = 1,133,270.85

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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.