Home / 971,916.80-1,457,875.20-869,565.20

Finding the Fourth Proportional to 971,916.80, 1,457,875.20 and 869,565.20

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Solution

The fourth proportional to 971,916.80, 1,457,875.20 and 869,565.20 is: 1,304,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,916.80 : 1,457,875.20 = 869,565.20 : x
  2. Step 2: Convert to fraction form
    971,916.80/1,457,875.20 = 869,565.20/x
  3. Step 3: Cross multiply
    971,916.80x = 1,457,875.20 × 869,565.20
  4. Step 4: Simplify right side
    971,916.80x = 1,267,717,539,863.04
  5. Step 5: Solve for x
    x = 1,267,717,539,863.04/971,916.80
  6. Step 6: Final answer
    x = 1,304,347.80

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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.