Home / 1,374,308.40-2,063,017.80-813,658.80

Finding the Fourth Proportional to 1,374,308.40, 2,063,017.80 and 813,658.80

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Solution

The fourth proportional to 1,374,308.40, 2,063,017.80 and 813,658.80 is: 1,221,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,308.40 : 2,063,017.80 = 813,658.80 : x
  2. Step 2: Convert to fraction form
    1,374,308.40/2,063,017.80 = 813,658.80/x
  3. Step 3: Cross multiply
    1,374,308.40x = 2,063,017.80 × 813,658.80
  4. Step 4: Simplify right side
    1,374,308.40x = 1,678,592,587,526.64
  5. Step 5: Solve for x
    x = 1,678,592,587,526.64/1,374,308.40
  6. Step 6: Final answer
    x = 1,221,408.96

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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.