Home / 1,566,178.40-2,349,267.60-818,127.20

Finding the Fourth Proportional to 1,566,178.40, 2,349,267.60 and 818,127.20

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Solution

The fourth proportional to 1,566,178.40, 2,349,267.60 and 818,127.20 is: 1,227,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,178.40 : 2,349,267.60 = 818,127.20 : x
  2. Step 2: Convert to fraction form
    1,566,178.40/2,349,267.60 = 818,127.20/x
  3. Step 3: Cross multiply
    1,566,178.40x = 2,349,267.60 × 818,127.20
  4. Step 4: Simplify right side
    1,566,178.40x = 1,921,999,723,638.72
  5. Step 5: Solve for x
    x = 1,921,999,723,638.72/1,566,178.40
  6. Step 6: Final answer
    x = 1,227,190.80

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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.