Home / 1,501,354.65-2,071,871.42-813,027.70

Finding the Fourth Proportional to 1,501,354.65, 2,071,871.42 and 813,027.70

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Solution

The fourth proportional to 1,501,354.65, 2,071,871.42 and 813,027.70 is: 1,121,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,354.65 : 2,071,871.42 = 813,027.70 : x
  2. Step 2: Convert to fraction form
    1,501,354.65/2,071,871.42 = 813,027.70/x
  3. Step 3: Cross multiply
    1,501,354.65x = 2,071,871.42 × 813,027.70
  4. Step 4: Simplify right side
    1,501,354.65x = 1,684,488,840,873.84
  5. Step 5: Solve for x
    x = 1,684,488,840,873.84/1,501,354.65
  6. Step 6: Final answer
    x = 1,121,979.30

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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.