Home / 1,501,029.20-2,071,432.50-889,216.76

Finding the Fourth Proportional to 1,501,029.20, 2,071,432.50 and 889,216.76

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Solution

The fourth proportional to 1,501,029.20, 2,071,432.50 and 889,216.76 is: 1,227,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,029.20 : 2,071,432.50 = 889,216.76 : x
  2. Step 2: Convert to fraction form
    1,501,029.20/2,071,432.50 = 889,216.76/x
  3. Step 3: Cross multiply
    1,501,029.20x = 2,071,432.50 × 889,216.76
  4. Step 4: Simplify right side
    1,501,029.20x = 1,841,952,496,208.70
  5. Step 5: Solve for x
    x = 1,841,952,496,208.70/1,501,029.20
  6. Step 6: Final answer
    x = 1,227,126.36

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Double scale
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1.5x scale

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.