Home / 1,190,358.73-1,785,081.18-506,812.21

Finding the Fourth Proportional to 1,190,358.73, 1,785,081.18 and 506,812.21

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Solution

The fourth proportional to 1,190,358.73, 1,785,081.18 and 506,812.21 is: 760,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,358.73 : 1,785,081.18 = 506,812.21 : x
  2. Step 2: Convert to fraction form
    1,190,358.73/1,785,081.18 = 506,812.21/x
  3. Step 3: Cross multiply
    1,190,358.73x = 1,785,081.18 × 506,812.21
  4. Step 4: Simplify right side
    1,190,358.73x = 904,700,937,865.21
  5. Step 5: Solve for x
    x = 904,700,937,865.21/1,190,358.73
  6. Step 6: Final answer
    x = 760,023.78

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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.