Home / 1,386,013.80-2,079,798.30-587,159.40

Finding the Fourth Proportional to 1,386,013.80, 2,079,798.30 and 587,159.40

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Solution

The fourth proportional to 1,386,013.80, 2,079,798.30 and 587,159.40 is: 881,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,013.80 : 2,079,798.30 = 587,159.40 : x
  2. Step 2: Convert to fraction form
    1,386,013.80/2,079,798.30 = 587,159.40/x
  3. Step 3: Cross multiply
    1,386,013.80x = 2,079,798.30 × 587,159.40
  4. Step 4: Simplify right side
    1,386,013.80x = 1,221,173,121,949.02
  5. Step 5: Solve for x
    x = 1,221,173,121,949.02/1,386,013.80
  6. Step 6: Final answer
    x = 881,068.52

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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.