Home / 987,941.40-1,478,412.90-673,013.40

Finding the Fourth Proportional to 987,941.40, 1,478,412.90 and 673,013.40

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Solution

The fourth proportional to 987,941.40, 1,478,412.90 and 673,013.40 is: 1,007,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,941.40 : 1,478,412.90 = 673,013.40 : x
  2. Step 2: Convert to fraction form
    987,941.40/1,478,412.90 = 673,013.40/x
  3. Step 3: Cross multiply
    987,941.40x = 1,478,412.90 × 673,013.40
  4. Step 4: Simplify right side
    987,941.40x = 994,991,692,432.86
  5. Step 5: Solve for x
    x = 994,991,692,432.86/987,941.40
  6. Step 6: Final answer
    x = 1,007,136.35

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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.