Home / 955,114.34-1,317,938.14-645,690.29

Finding the Fourth Proportional to 955,114.34, 1,317,938.14 and 645,690.29

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Solution

The fourth proportional to 955,114.34, 1,317,938.14 and 645,690.29 is: 890,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,114.34 : 1,317,938.14 = 645,690.29 : x
  2. Step 2: Convert to fraction form
    955,114.34/1,317,938.14 = 645,690.29/x
  3. Step 3: Cross multiply
    955,114.34x = 1,317,938.14 × 645,690.29
  4. Step 4: Simplify right side
    955,114.34x = 850,979,854,036.08
  5. Step 5: Solve for x
    x = 850,979,854,036.08/955,114.34
  6. Step 6: Final answer
    x = 890,971.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.