Home / 854,493.40-1,281,740.10-715,562.20

Finding the Fourth Proportional to 854,493.40, 1,281,740.10 and 715,562.20

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Solution

The fourth proportional to 854,493.40, 1,281,740.10 and 715,562.20 is: 1,073,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,493.40 : 1,281,740.10 = 715,562.20 : x
  2. Step 2: Convert to fraction form
    854,493.40/1,281,740.10 = 715,562.20/x
  3. Step 3: Cross multiply
    854,493.40x = 1,281,740.10 × 715,562.20
  4. Step 4: Simplify right side
    854,493.40x = 917,164,765,784.22
  5. Step 5: Solve for x
    x = 917,164,765,784.22/854,493.40
  6. Step 6: Final answer
    x = 1,073,343.30

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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.