Home / 1,130,432.28-1,559,996.19-621,167.46

Finding the Fourth Proportional to 1,130,432.28, 1,559,996.19 and 621,167.46

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Solution

The fourth proportional to 1,130,432.28, 1,559,996.19 and 621,167.46 is: 857,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,432.28 : 1,559,996.19 = 621,167.46 : x
  2. Step 2: Convert to fraction form
    1,130,432.28/1,559,996.19 = 621,167.46/x
  3. Step 3: Cross multiply
    1,130,432.28x = 1,559,996.19 × 621,167.46
  4. Step 4: Simplify right side
    1,130,432.28x = 969,018,870,951.98
  5. Step 5: Solve for x
    x = 969,018,870,951.98/1,130,432.28
  6. Step 6: Final answer
    x = 857,210.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.