Home / 1,754,753.24-2,421,603.54-990,812.30

Finding the Fourth Proportional to 1,754,753.24, 2,421,603.54 and 990,812.30

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Solution

The fourth proportional to 1,754,753.24, 2,421,603.54 and 990,812.30 is: 1,367,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,753.24 : 2,421,603.54 = 990,812.30 : x
  2. Step 2: Convert to fraction form
    1,754,753.24/2,421,603.54 = 990,812.30/x
  3. Step 3: Cross multiply
    1,754,753.24x = 2,421,603.54 × 990,812.30
  4. Step 4: Simplify right side
    1,754,753.24x = 2,399,354,573,155.54
  5. Step 5: Solve for x
    x = 2,399,354,573,155.54/1,754,753.24
  6. Step 6: Final answer
    x = 1,367,345.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.