Home / 1,490,535.52-2,056,939.00-811,472.02

Finding the Fourth Proportional to 1,490,535.52, 2,056,939.00 and 811,472.02

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Solution

The fourth proportional to 1,490,535.52, 2,056,939.00 and 811,472.02 is: 1,119,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,535.52 : 2,056,939.00 = 811,472.02 : x
  2. Step 2: Convert to fraction form
    1,490,535.52/2,056,939.00 = 811,472.02/x
  3. Step 3: Cross multiply
    1,490,535.52x = 2,056,939.00 × 811,472.02
  4. Step 4: Simplify right side
    1,490,535.52x = 1,669,148,438,175.75
  5. Step 5: Solve for x
    x = 1,669,148,438,175.75/1,490,535.52
  6. Step 6: Final answer
    x = 1,119,831.38

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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.