Home / 972,428.20-1,458,642.30-854,330.20

Finding the Fourth Proportional to 972,428.20, 1,458,642.30 and 854,330.20

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Solution

The fourth proportional to 972,428.20, 1,458,642.30 and 854,330.20 is: 1,281,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,428.20 : 1,458,642.30 = 854,330.20 : x
  2. Step 2: Convert to fraction form
    972,428.20/1,458,642.30 = 854,330.20/x
  3. Step 3: Cross multiply
    972,428.20x = 1,458,642.30 × 854,330.20
  4. Step 4: Simplify right side
    972,428.20x = 1,246,162,167,887.46
  5. Step 5: Solve for x
    x = 1,246,162,167,887.46/972,428.20
  6. Step 6: Final answer
    x = 1,281,495.30

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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.