Home / 971,926.80-1,457,890.20-617,195.40

Finding the Fourth Proportional to 971,926.80, 1,457,890.20 and 617,195.40

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Solution

The fourth proportional to 971,926.80, 1,457,890.20 and 617,195.40 is: 925,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,926.80 : 1,457,890.20 = 617,195.40 : x
  2. Step 2: Convert to fraction form
    971,926.80/1,457,890.20 = 617,195.40/x
  3. Step 3: Cross multiply
    971,926.80x = 1,457,890.20 × 617,195.40
  4. Step 4: Simplify right side
    971,926.80x = 899,803,125,145.08
  5. Step 5: Solve for x
    x = 899,803,125,145.08/971,926.80
  6. Step 6: Final answer
    x = 925,793.10

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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.