Home / 1,557,098.80-2,335,648.20-891,703.60

Finding the Fourth Proportional to 1,557,098.80, 2,335,648.20 and 891,703.60

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Solution

The fourth proportional to 1,557,098.80, 2,335,648.20 and 891,703.60 is: 1,337,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,098.80 : 2,335,648.20 = 891,703.60 : x
  2. Step 2: Convert to fraction form
    1,557,098.80/2,335,648.20 = 891,703.60/x
  3. Step 3: Cross multiply
    1,557,098.80x = 2,335,648.20 × 891,703.60
  4. Step 4: Simplify right side
    1,557,098.80x = 2,082,705,908,273.52
  5. Step 5: Solve for x
    x = 2,082,705,908,273.52/1,557,098.80
  6. Step 6: Final answer
    x = 1,337,555.40

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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.