Home / 1,038,158.44-1,557,159.90-290,262.76

Finding the Fourth Proportional to 1,038,158.44, 1,557,159.90 and 290,262.76

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Solution

The fourth proportional to 1,038,158.44, 1,557,159.90 and 290,262.76 is: 435,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,158.44 : 1,557,159.90 = 290,262.76 : x
  2. Step 2: Convert to fraction form
    1,038,158.44/1,557,159.90 = 290,262.76/x
  3. Step 3: Cross multiply
    1,038,158.44x = 1,557,159.90 × 290,262.76
  4. Step 4: Simplify right side
    1,038,158.44x = 451,985,530,335.32
  5. Step 5: Solve for x
    x = 451,985,530,335.32/1,038,158.44
  6. Step 6: Final answer
    x = 435,372.40

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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.