Home / 1,376,979.40-2,064,432.30-577,606.60

Finding the Fourth Proportional to 1,376,979.40, 2,064,432.30 and 577,606.60

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Solution

The fourth proportional to 1,376,979.40, 2,064,432.30 and 577,606.60 is: 865,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,979.40 : 2,064,432.30 = 577,606.60 : x
  2. Step 2: Convert to fraction form
    1,376,979.40/2,064,432.30 = 577,606.60/x
  3. Step 3: Cross multiply
    1,376,979.40x = 2,064,432.30 × 577,606.60
  4. Step 4: Simplify right side
    1,376,979.40x = 1,192,429,721,733.18
  5. Step 5: Solve for x
    x = 1,192,429,721,733.18/1,376,979.40
  6. Step 6: Final answer
    x = 865,974.99

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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.