Home / 1,039,639.76-1,559,458.56-391,337.01

Finding the Fourth Proportional to 1,039,639.76, 1,559,458.56 and 391,337.01

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Solution

The fourth proportional to 1,039,639.76, 1,559,458.56 and 391,337.01 is: 587,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,639.76 : 1,559,458.56 = 391,337.01 : x
  2. Step 2: Convert to fraction form
    1,039,639.76/1,559,458.56 = 391,337.01/x
  3. Step 3: Cross multiply
    1,039,639.76x = 1,559,458.56 × 391,337.01
  4. Step 4: Simplify right side
    1,039,639.76x = 610,273,850,089.31
  5. Step 5: Solve for x
    x = 610,273,850,089.31/1,039,639.76
  6. Step 6: Final answer
    x = 587,005.11

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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.