Home / 1,569,136.40-2,353,704.60-771,974.90

Finding the Fourth Proportional to 1,569,136.40, 2,353,704.60 and 771,974.90

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Solution

The fourth proportional to 1,569,136.40, 2,353,704.60 and 771,974.90 is: 1,157,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,136.40 : 2,353,704.60 = 771,974.90 : x
  2. Step 2: Convert to fraction form
    1,569,136.40/2,353,704.60 = 771,974.90/x
  3. Step 3: Cross multiply
    1,569,136.40x = 2,353,704.60 × 771,974.90
  4. Step 4: Simplify right side
    1,569,136.40x = 1,817,000,873,214.54
  5. Step 5: Solve for x
    x = 1,817,000,873,214.54/1,569,136.40
  6. Step 6: Final answer
    x = 1,157,962.35

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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.