Home / 971,353.70-1,457,030.55-965,132.90

Finding the Fourth Proportional to 971,353.70, 1,457,030.55 and 965,132.90

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Solution

The fourth proportional to 971,353.70, 1,457,030.55 and 965,132.90 is: 1,447,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,353.70 : 1,457,030.55 = 965,132.90 : x
  2. Step 2: Convert to fraction form
    971,353.70/1,457,030.55 = 965,132.90/x
  3. Step 3: Cross multiply
    971,353.70x = 1,457,030.55 × 965,132.90
  4. Step 4: Simplify right side
    971,353.70x = 1,406,228,120,110.10
  5. Step 5: Solve for x
    x = 1,406,228,120,110.10/971,353.70
  6. Step 6: Final answer
    x = 1,447,699.35

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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.