Home / 896,730.30-1,345,095.45-861,738.30

Finding the Fourth Proportional to 896,730.30, 1,345,095.45 and 861,738.30

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Solution

The fourth proportional to 896,730.30, 1,345,095.45 and 861,738.30 is: 1,292,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,730.30 : 1,345,095.45 = 861,738.30 : x
  2. Step 2: Convert to fraction form
    896,730.30/1,345,095.45 = 861,738.30/x
  3. Step 3: Cross multiply
    896,730.30x = 1,345,095.45 × 861,738.30
  4. Step 4: Simplify right side
    896,730.30x = 1,159,120,266,420.74
  5. Step 5: Solve for x
    x = 1,159,120,266,420.74/896,730.30
  6. Step 6: Final answer
    x = 1,292,607.45

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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.