Home / 1,102,979.76-1,522,112.86-619,545.16

Finding the Fourth Proportional to 1,102,979.76, 1,522,112.86 and 619,545.16

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Solution

The fourth proportional to 1,102,979.76, 1,522,112.86 and 619,545.16 is: 854,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,979.76 : 1,522,112.86 = 619,545.16 : x
  2. Step 2: Convert to fraction form
    1,102,979.76/1,522,112.86 = 619,545.16/x
  3. Step 3: Cross multiply
    1,102,979.76x = 1,522,112.86 × 619,545.16
  4. Step 4: Simplify right side
    1,102,979.76x = 943,017,655,386.76
  5. Step 5: Solve for x
    x = 943,017,655,386.76/1,102,979.76
  6. Step 6: Final answer
    x = 854,972.77

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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.