Home / 971,729.10-1,457,593.65-853,631.10

Finding the Fourth Proportional to 971,729.10, 1,457,593.65 and 853,631.10

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Solution

The fourth proportional to 971,729.10, 1,457,593.65 and 853,631.10 is: 1,280,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,729.10 : 1,457,593.65 = 853,631.10 : x
  2. Step 2: Convert to fraction form
    971,729.10/1,457,593.65 = 853,631.10/x
  3. Step 3: Cross multiply
    971,729.10x = 1,457,593.65 × 853,631.10
  4. Step 4: Simplify right side
    971,729.10x = 1,244,247,270,802.51
  5. Step 5: Solve for x
    x = 1,244,247,270,802.51/971,729.10
  6. Step 6: Final answer
    x = 1,280,446.65

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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.