Home / 1,001,392.43-1,381,919.94-542,518.70

Finding the Fourth Proportional to 1,001,392.43, 1,381,919.94 and 542,518.70

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Solution

The fourth proportional to 1,001,392.43, 1,381,919.94 and 542,518.70 is: 748,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,392.43 : 1,381,919.94 = 542,518.70 : x
  2. Step 2: Convert to fraction form
    1,001,392.43/1,381,919.94 = 542,518.70/x
  3. Step 3: Cross multiply
    1,001,392.43x = 1,381,919.94 × 542,518.70
  4. Step 4: Simplify right side
    1,001,392.43x = 749,717,402,443.28
  5. Step 5: Solve for x
    x = 749,717,402,443.28/1,001,392.43
  6. Step 6: Final answer
    x = 748,674.93

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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.