Home / 911,646.80-1,367,470.20-899,205.20

Finding the Fourth Proportional to 911,646.80, 1,367,470.20 and 899,205.20

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Solution

The fourth proportional to 911,646.80, 1,367,470.20 and 899,205.20 is: 1,348,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,646.80 : 1,367,470.20 = 899,205.20 : x
  2. Step 2: Convert to fraction form
    911,646.80/1,367,470.20 = 899,205.20/x
  3. Step 3: Cross multiply
    911,646.80x = 1,367,470.20 × 899,205.20
  4. Step 4: Simplify right side
    911,646.80x = 1,229,636,314,685.04
  5. Step 5: Solve for x
    x = 1,229,636,314,685.04/911,646.80
  6. Step 6: Final answer
    x = 1,348,807.80

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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.