Home / 1,011,388.20-1,517,303.88-380,302.02

Finding the Fourth Proportional to 1,011,388.20, 1,517,303.88 and 380,302.02

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Solution

The fourth proportional to 1,011,388.20, 1,517,303.88 and 380,302.02 is: 570,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,388.20 : 1,517,303.88 = 380,302.02 : x
  2. Step 2: Convert to fraction form
    1,011,388.20/1,517,303.88 = 380,302.02/x
  3. Step 3: Cross multiply
    1,011,388.20x = 1,517,303.88 × 380,302.02
  4. Step 4: Simplify right side
    1,011,388.20x = 577,033,730,517.84
  5. Step 5: Solve for x
    x = 577,033,730,517.84/1,011,388.20
  6. Step 6: Final answer
    x = 570,536.35

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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.