Home / 771,983.28-1,159,754.76-740,097.20

Finding the Fourth Proportional to 771,983.28, 1,159,754.76 and 740,097.20

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Solution

The fourth proportional to 771,983.28, 1,159,754.76 and 740,097.20 is: 1,111,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,983.28 : 1,159,754.76 = 740,097.20 : x
  2. Step 2: Convert to fraction form
    771,983.28/1,159,754.76 = 740,097.20/x
  3. Step 3: Cross multiply
    771,983.28x = 1,159,754.76 × 740,097.20
  4. Step 4: Simplify right side
    771,983.28x = 858,331,250,562.67
  5. Step 5: Solve for x
    x = 858,331,250,562.67/771,983.28
  6. Step 6: Final answer
    x = 1,111,852.13

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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.