Home / 1,557,488.66-2,148,928.18-912,562.34

Finding the Fourth Proportional to 1,557,488.66, 2,148,928.18 and 912,562.34

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Solution

The fourth proportional to 1,557,488.66, 2,148,928.18 and 912,562.34 is: 1,259,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,488.66 : 2,148,928.18 = 912,562.34 : x
  2. Step 2: Convert to fraction form
    1,557,488.66/2,148,928.18 = 912,562.34/x
  3. Step 3: Cross multiply
    1,557,488.66x = 2,148,928.18 × 912,562.34
  4. Step 4: Simplify right side
    1,557,488.66x = 1,961,030,915,406.69
  5. Step 5: Solve for x
    x = 1,961,030,915,406.69/1,557,488.66
  6. Step 6: Final answer
    x = 1,259,098.04

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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.