Home / 1,386,294.59-2,079,678.32-618,071.04

Finding the Fourth Proportional to 1,386,294.59, 2,079,678.32 and 618,071.04

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Solution

The fourth proportional to 1,386,294.59, 2,079,678.32 and 618,071.04 is: 927,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,294.59 : 2,079,678.32 = 618,071.04 : x
  2. Step 2: Convert to fraction form
    1,386,294.59/2,079,678.32 = 618,071.04/x
  3. Step 3: Cross multiply
    1,386,294.59x = 2,079,678.32 × 618,071.04
  4. Step 4: Simplify right side
    1,386,294.59x = 1,285,388,939,017.50
  5. Step 5: Solve for x
    x = 1,285,388,939,017.50/1,386,294.59
  6. Step 6: Final answer
    x = 927,211.97

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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.