Home / 1,565,186.40-2,348,654.40-666,475.20

Finding the Fourth Proportional to 1,565,186.40, 2,348,654.40 and 666,475.20

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Solution

The fourth proportional to 1,565,186.40, 2,348,654.40 and 666,475.20 is: 1,000,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,186.40 : 2,348,654.40 = 666,475.20 : x
  2. Step 2: Convert to fraction form
    1,565,186.40/2,348,654.40 = 666,475.20/x
  3. Step 3: Cross multiply
    1,565,186.40x = 2,348,654.40 × 666,475.20
  4. Step 4: Simplify right side
    1,565,186.40x = 1,565,319,910,970.88
  5. Step 5: Solve for x
    x = 1,565,319,910,970.88/1,565,186.40
  6. Step 6: Final answer
    x = 1,000,085.30

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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.