Home / 1,386,331.20-2,079,496.80-847,454.40

Finding the Fourth Proportional to 1,386,331.20, 2,079,496.80 and 847,454.40

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Solution

The fourth proportional to 1,386,331.20, 2,079,496.80 and 847,454.40 is: 1,271,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,331.20 : 2,079,496.80 = 847,454.40 : x
  2. Step 2: Convert to fraction form
    1,386,331.20/2,079,496.80 = 847,454.40/x
  3. Step 3: Cross multiply
    1,386,331.20x = 2,079,496.80 × 847,454.40
  4. Step 4: Simplify right side
    1,386,331.20x = 1,762,278,712,945.92
  5. Step 5: Solve for x
    x = 1,762,278,712,945.92/1,386,331.20
  6. Step 6: Final answer
    x = 1,271,181.60

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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.