Home / 1,386,294.42-2,079,678.06-618,070.87

Finding the Fourth Proportional to 1,386,294.42, 2,079,678.06 and 618,070.87

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Solution

The fourth proportional to 1,386,294.42, 2,079,678.06 and 618,070.87 is: 927,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,294.42 : 2,079,678.06 = 618,070.87 : x
  2. Step 2: Convert to fraction form
    1,386,294.42/2,079,678.06 = 618,070.87/x
  3. Step 3: Cross multiply
    1,386,294.42x = 2,079,678.06 × 618,070.87
  4. Step 4: Simplify right side
    1,386,294.42x = 1,285,388,427,864.11
  5. Step 5: Solve for x
    x = 1,285,388,427,864.11/1,386,294.42
  6. Step 6: Final answer
    x = 927,211.72

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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.