Home / 1,161,876.48-1,603,357.56-645,617.04

Finding the Fourth Proportional to 1,161,876.48, 1,603,357.56 and 645,617.04

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Solution

The fourth proportional to 1,161,876.48, 1,603,357.56 and 645,617.04 is: 890,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,876.48 : 1,603,357.56 = 645,617.04 : x
  2. Step 2: Convert to fraction form
    1,161,876.48/1,603,357.56 = 645,617.04/x
  3. Step 3: Cross multiply
    1,161,876.48x = 1,603,357.56 × 645,617.04
  4. Step 4: Simplify right side
    1,161,876.48x = 1,035,154,961,948.82
  5. Step 5: Solve for x
    x = 1,035,154,961,948.82/1,161,876.48
  6. Step 6: Final answer
    x = 890,933.74

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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.