Home / 1,011,347.52-1,513,729.44-745,003.20

Finding the Fourth Proportional to 1,011,347.52, 1,513,729.44 and 745,003.20

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Solution

The fourth proportional to 1,011,347.52, 1,513,729.44 and 745,003.20 is: 1,115,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,347.52 : 1,513,729.44 = 745,003.20 : x
  2. Step 2: Convert to fraction form
    1,011,347.52/1,513,729.44 = 745,003.20/x
  3. Step 3: Cross multiply
    1,011,347.52x = 1,513,729.44 × 745,003.20
  4. Step 4: Simplify right side
    1,011,347.52x = 1,127,733,276,734.21
  5. Step 5: Solve for x
    x = 1,127,733,276,734.21/1,011,347.52
  6. Step 6: Final answer
    x = 1,115,079.89

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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.