Home / 1,312,773.30-1,969,159.95-864,098.10

Finding the Fourth Proportional to 1,312,773.30, 1,969,159.95 and 864,098.10

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Solution

The fourth proportional to 1,312,773.30, 1,969,159.95 and 864,098.10 is: 1,296,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,773.30 : 1,969,159.95 = 864,098.10 : x
  2. Step 2: Convert to fraction form
    1,312,773.30/1,969,159.95 = 864,098.10/x
  3. Step 3: Cross multiply
    1,312,773.30x = 1,969,159.95 × 864,098.10
  4. Step 4: Simplify right side
    1,312,773.30x = 1,701,547,371,391.10
  5. Step 5: Solve for x
    x = 1,701,547,371,391.10/1,312,773.30
  6. Step 6: Final answer
    x = 1,296,147.15

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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.