Home / 1,557,162.40-2,335,455.60-434,999.20

Finding the Fourth Proportional to 1,557,162.40, 2,335,455.60 and 434,999.20

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Solution

The fourth proportional to 1,557,162.40, 2,335,455.60 and 434,999.20 is: 652,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,162.40 : 2,335,455.60 = 434,999.20 : x
  2. Step 2: Convert to fraction form
    1,557,162.40/2,335,455.60 = 434,999.20/x
  3. Step 3: Cross multiply
    1,557,162.40x = 2,335,455.60 × 434,999.20
  4. Step 4: Simplify right side
    1,557,162.40x = 1,015,921,317,635.52
  5. Step 5: Solve for x
    x = 1,015,921,317,635.52/1,557,162.40
  6. Step 6: Final answer
    x = 652,418.35

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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.