Home / 1,218,689.60-1,828,552.80-587,278.40

Finding the Fourth Proportional to 1,218,689.60, 1,828,552.80 and 587,278.40

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Solution

The fourth proportional to 1,218,689.60, 1,828,552.80 and 587,278.40 is: 881,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,689.60 : 1,828,552.80 = 587,278.40 : x
  2. Step 2: Convert to fraction form
    1,218,689.60/1,828,552.80 = 587,278.40/x
  3. Step 3: Cross multiply
    1,218,689.60x = 1,828,552.80 × 587,278.40
  4. Step 4: Simplify right side
    1,218,689.60x = 1,073,869,562,699.52
  5. Step 5: Solve for x
    x = 1,073,869,562,699.52/1,218,689.60
  6. Step 6: Final answer
    x = 881,167.41

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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.