Home / 1,008,454.65-1,391,667.69-549,569.36

Finding the Fourth Proportional to 1,008,454.65, 1,391,667.69 and 549,569.36

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Solution

The fourth proportional to 1,008,454.65, 1,391,667.69 and 549,569.36 is: 758,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,454.65 : 1,391,667.69 = 549,569.36 : x
  2. Step 2: Convert to fraction form
    1,008,454.65/1,391,667.69 = 549,569.36/x
  3. Step 3: Cross multiply
    1,008,454.65x = 1,391,667.69 × 549,569.36
  4. Step 4: Simplify right side
    1,008,454.65x = 764,817,914,767.64
  5. Step 5: Solve for x
    x = 764,817,914,767.64/1,008,454.65
  6. Step 6: Final answer
    x = 758,405.86

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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.