Home / 1,557,162.90-2,335,456.35-434,999.70

Finding the Fourth Proportional to 1,557,162.90, 2,335,456.35 and 434,999.70

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Solution

The fourth proportional to 1,557,162.90, 2,335,456.35 and 434,999.70 is: 652,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,162.90 : 2,335,456.35 = 434,999.70 : x
  2. Step 2: Convert to fraction form
    1,557,162.90/2,335,456.35 = 434,999.70/x
  3. Step 3: Cross multiply
    1,557,162.90x = 2,335,456.35 × 434,999.70
  4. Step 4: Simplify right side
    1,557,162.90x = 1,015,922,811,613.10
  5. Step 5: Solve for x
    x = 1,015,922,811,613.10/1,557,162.90
  6. Step 6: Final answer
    x = 652,419.10

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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.