Home / 971,357.20-1,457,035.80-965,136.40

Finding the Fourth Proportional to 971,357.20, 1,457,035.80 and 965,136.40

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Solution

The fourth proportional to 971,357.20, 1,457,035.80 and 965,136.40 is: 1,447,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,357.20 : 1,457,035.80 = 965,136.40 : x
  2. Step 2: Convert to fraction form
    971,357.20/1,457,035.80 = 965,136.40/x
  3. Step 3: Cross multiply
    971,357.20x = 1,457,035.80 × 965,136.40
  4. Step 4: Simplify right side
    971,357.20x = 1,406,238,286,683.12
  5. Step 5: Solve for x
    x = 1,406,238,286,683.12/971,357.20
  6. Step 6: Final answer
    x = 1,447,704.60

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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.