Home / 1,487,568.30-2,231,352.45-889,205.10

Finding the Fourth Proportional to 1,487,568.30, 2,231,352.45 and 889,205.10

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Solution

The fourth proportional to 1,487,568.30, 2,231,352.45 and 889,205.10 is: 1,333,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,568.30 : 2,231,352.45 = 889,205.10 : x
  2. Step 2: Convert to fraction form
    1,487,568.30/2,231,352.45 = 889,205.10/x
  3. Step 3: Cross multiply
    1,487,568.30x = 2,231,352.45 × 889,205.10
  4. Step 4: Simplify right side
    1,487,568.30x = 1,984,129,978,437.50
  5. Step 5: Solve for x
    x = 1,984,129,978,437.50/1,487,568.30
  6. Step 6: Final answer
    x = 1,333,807.65

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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.