Home / 971,374.20-1,457,061.30-869,897.40

Finding the Fourth Proportional to 971,374.20, 1,457,061.30 and 869,897.40

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Solution

The fourth proportional to 971,374.20, 1,457,061.30 and 869,897.40 is: 1,304,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,374.20 : 1,457,061.30 = 869,897.40 : x
  2. Step 2: Convert to fraction form
    971,374.20/1,457,061.30 = 869,897.40/x
  3. Step 3: Cross multiply
    971,374.20x = 1,457,061.30 × 869,897.40
  4. Step 4: Simplify right side
    971,374.20x = 1,267,493,836,510.62
  5. Step 5: Solve for x
    x = 1,267,493,836,510.62/971,374.20
  6. Step 6: Final answer
    x = 1,304,846.10

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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.