Home / 1,069,621.80-1,604,432.70-901,660.20

Finding the Fourth Proportional to 1,069,621.80, 1,604,432.70 and 901,660.20

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Solution

The fourth proportional to 1,069,621.80, 1,604,432.70 and 901,660.20 is: 1,352,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,621.80 : 1,604,432.70 = 901,660.20 : x
  2. Step 2: Convert to fraction form
    1,069,621.80/1,604,432.70 = 901,660.20/x
  3. Step 3: Cross multiply
    1,069,621.80x = 1,604,432.70 × 901,660.20
  4. Step 4: Simplify right side
    1,069,621.80x = 1,446,653,109,168.54
  5. Step 5: Solve for x
    x = 1,446,653,109,168.54/1,069,621.80
  6. Step 6: Final answer
    x = 1,352,490.30

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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.