Home / 1,186,454.88-1,779,667.32-287,904

Finding the Fourth Proportional to 1,186,454.88, 1,779,667.32 and 287,904

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Solution

The fourth proportional to 1,186,454.88, 1,779,667.32 and 287,904 is: 431,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,454.88 : 1,779,667.32 = 287,904 : x
  2. Step 2: Convert to fraction form
    1,186,454.88/1,779,667.32 = 287,904/x
  3. Step 3: Cross multiply
    1,186,454.88x = 1,779,667.32 × 287,904
  4. Step 4: Simplify right side
    1,186,454.88x = 512,373,340,097.28
  5. Step 5: Solve for x
    x = 512,373,340,097.28/1,186,454.88
  6. Step 6: Final answer
    x = 431,852.36

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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.