Home / 1,154,542.74-1,593,271.29-645,245.10

Finding the Fourth Proportional to 1,154,542.74, 1,593,271.29 and 645,245.10

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Solution

The fourth proportional to 1,154,542.74, 1,593,271.29 and 645,245.10 is: 890,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,542.74 : 1,593,271.29 = 645,245.10 : x
  2. Step 2: Convert to fraction form
    1,154,542.74/1,593,271.29 = 645,245.10/x
  3. Step 3: Cross multiply
    1,154,542.74x = 1,593,271.29 × 645,245.10
  4. Step 4: Simplify right side
    1,154,542.74x = 1,028,050,492,843.18
  5. Step 5: Solve for x
    x = 1,028,050,492,843.18/1,154,542.74
  6. Step 6: Final answer
    x = 890,439.53

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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.