Home / 971,353.20-1,457,029.80-869,876.40

Finding the Fourth Proportional to 971,353.20, 1,457,029.80 and 869,876.40

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Solution

The fourth proportional to 971,353.20, 1,457,029.80 and 869,876.40 is: 1,304,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,353.20 : 1,457,029.80 = 869,876.40 : x
  2. Step 2: Convert to fraction form
    971,353.20/1,457,029.80 = 869,876.40/x
  3. Step 3: Cross multiply
    971,353.20x = 1,457,029.80 × 869,876.40
  4. Step 4: Simplify right side
    971,353.20x = 1,267,435,837,116.72
  5. Step 5: Solve for x
    x = 1,267,435,837,116.72/971,353.20
  6. Step 6: Final answer
    x = 1,304,814.60

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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.