Home / 1,108,762.20-1,663,143.30-710,181.46

Finding the Fourth Proportional to 1,108,762.20, 1,663,143.30 and 710,181.46

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Solution

The fourth proportional to 1,108,762.20, 1,663,143.30 and 710,181.46 is: 1,065,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,762.20 : 1,663,143.30 = 710,181.46 : x
  2. Step 2: Convert to fraction form
    1,108,762.20/1,663,143.30 = 710,181.46/x
  3. Step 3: Cross multiply
    1,108,762.20x = 1,663,143.30 × 710,181.46
  4. Step 4: Simplify right side
    1,108,762.20x = 1,181,133,536,983.22
  5. Step 5: Solve for x
    x = 1,181,133,536,983.22/1,108,762.20
  6. Step 6: Final answer
    x = 1,065,272.19

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Double scale
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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.