Home / 1,103,122.89-1,522,374.66-830,710.17

Finding the Fourth Proportional to 1,103,122.89, 1,522,374.66 and 830,710.17

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Solution

The fourth proportional to 1,103,122.89, 1,522,374.66 and 830,710.17 is: 1,146,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,122.89 : 1,522,374.66 = 830,710.17 : x
  2. Step 2: Convert to fraction form
    1,103,122.89/1,522,374.66 = 830,710.17/x
  3. Step 3: Cross multiply
    1,103,122.89x = 1,522,374.66 × 830,710.17
  4. Step 4: Simplify right side
    1,103,122.89x = 1,264,652,112,612.29
  5. Step 5: Solve for x
    x = 1,264,652,112,612.29/1,103,122.89
  6. Step 6: Final answer
    x = 1,146,429.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.