Home / 999,189.30-1,497,455.29-865,443.32

Finding the Fourth Proportional to 999,189.30, 1,497,455.29 and 865,443.32

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Solution

The fourth proportional to 999,189.30, 1,497,455.29 and 865,443.32 is: 1,297,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,189.30 : 1,497,455.29 = 865,443.32 : x
  2. Step 2: Convert to fraction form
    999,189.30/1,497,455.29 = 865,443.32/x
  3. Step 3: Cross multiply
    999,189.30x = 1,497,455.29 × 865,443.32
  4. Step 4: Simplify right side
    999,189.30x = 1,295,962,677,729.16
  5. Step 5: Solve for x
    x = 1,295,962,677,729.16/999,189.30
  6. Step 6: Final answer
    x = 1,297,014.17

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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.