Home / 1,386,905.80-2,079,206.70-588,800.20

Finding the Fourth Proportional to 1,386,905.80, 2,079,206.70 and 588,800.20

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Solution

The fourth proportional to 1,386,905.80, 2,079,206.70 and 588,800.20 is: 882,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,905.80 : 2,079,206.70 = 588,800.20 : x
  2. Step 2: Convert to fraction form
    1,386,905.80/2,079,206.70 = 588,800.20/x
  3. Step 3: Cross multiply
    1,386,905.80x = 2,079,206.70 × 588,800.20
  4. Step 4: Simplify right side
    1,386,905.80x = 1,224,237,320,801.34
  5. Step 5: Solve for x
    x = 1,224,237,320,801.34/1,386,905.80
  6. Step 6: Final answer
    x = 882,711.23

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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.