Home / 1,159,617.04-1,600,273.40-643,354.72

Finding the Fourth Proportional to 1,159,617.04, 1,600,273.40 and 643,354.72

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Solution

The fourth proportional to 1,159,617.04, 1,600,273.40 and 643,354.72 is: 887,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,617.04 : 1,600,273.40 = 643,354.72 : x
  2. Step 2: Convert to fraction form
    1,159,617.04/1,600,273.40 = 643,354.72/x
  3. Step 3: Cross multiply
    1,159,617.04x = 1,600,273.40 × 643,354.72
  4. Step 4: Simplify right side
    1,159,617.04x = 1,029,543,445,180.45
  5. Step 5: Solve for x
    x = 1,029,543,445,180.45/1,159,617.04
  6. Step 6: Final answer
    x = 887,830.56

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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.