Home / 1,386,119.80-2,078,280.60-587,184.40

Finding the Fourth Proportional to 1,386,119.80, 2,078,280.60 and 587,184.40

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Solution

The fourth proportional to 1,386,119.80, 2,078,280.60 and 587,184.40 is: 880,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,119.80 : 2,078,280.60 = 587,184.40 : x
  2. Step 2: Convert to fraction form
    1,386,119.80/2,078,280.60 = 587,184.40/x
  3. Step 3: Cross multiply
    1,386,119.80x = 2,078,280.60 × 587,184.40
  4. Step 4: Simplify right side
    1,386,119.80x = 1,220,333,947,142.64
  5. Step 5: Solve for x
    x = 1,220,333,947,142.64/1,386,119.80
  6. Step 6: Final answer
    x = 880,395.73

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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.