Home / 1,348,714.88-1,861,280.16-775,754.72

Finding the Fourth Proportional to 1,348,714.88, 1,861,280.16 and 775,754.72

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Solution

The fourth proportional to 1,348,714.88, 1,861,280.16 and 775,754.72 is: 1,070,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,714.88 : 1,861,280.16 = 775,754.72 : x
  2. Step 2: Convert to fraction form
    1,348,714.88/1,861,280.16 = 775,754.72/x
  3. Step 3: Cross multiply
    1,348,714.88x = 1,861,280.16 × 775,754.72
  4. Step 4: Simplify right side
    1,348,714.88x = 1,443,896,869,362.36
  5. Step 5: Solve for x
    x = 1,443,896,869,362.36/1,348,714.88
  6. Step 6: Final answer
    x = 1,070,572.36

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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.