Home / 1,357,607.72-2,036,853.84-647,543.36

Finding the Fourth Proportional to 1,357,607.72, 2,036,853.84 and 647,543.36

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Solution

The fourth proportional to 1,357,607.72, 2,036,853.84 and 647,543.36 is: 971,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,607.72 : 2,036,853.84 = 647,543.36 : x
  2. Step 2: Convert to fraction form
    1,357,607.72/2,036,853.84 = 647,543.36/x
  3. Step 3: Cross multiply
    1,357,607.72x = 2,036,853.84 × 647,543.36
  4. Step 4: Simplify right side
    1,357,607.72x = 1,318,951,179,382.50
  5. Step 5: Solve for x
    x = 1,318,951,179,382.50/1,357,607.72
  6. Step 6: Final answer
    x = 971,525.99

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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.