Home / 1,665,549.98-2,497,951.23-766,127.90

Finding the Fourth Proportional to 1,665,549.98, 2,497,951.23 and 766,127.90

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Solution

The fourth proportional to 1,665,549.98, 2,497,951.23 and 766,127.90 is: 1,149,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,549.98 : 2,497,951.23 = 766,127.90 : x
  2. Step 2: Convert to fraction form
    1,665,549.98/2,497,951.23 = 766,127.90/x
  3. Step 3: Cross multiply
    1,665,549.98x = 2,497,951.23 × 766,127.90
  4. Step 4: Simplify right side
    1,665,549.98x = 1,913,750,130,142.32
  5. Step 5: Solve for x
    x = 1,913,750,130,142.32/1,665,549.98
  6. Step 6: Final answer
    x = 1,149,019.94

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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.