Home / 1,625,478.60-2,438,226-666,458.04

Finding the Fourth Proportional to 1,625,478.60, 2,438,226 and 666,458.04

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Solution

The fourth proportional to 1,625,478.60, 2,438,226 and 666,458.04 is: 999,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,478.60 : 2,438,226 = 666,458.04 : x
  2. Step 2: Convert to fraction form
    1,625,478.60/2,438,226 = 666,458.04/x
  3. Step 3: Cross multiply
    1,625,478.60x = 2,438,226 × 666,458.04
  4. Step 4: Simplify right side
    1,625,478.60x = 1,624,975,321,037.04
  5. Step 5: Solve for x
    x = 1,624,975,321,037.04/1,625,478.60
  6. Step 6: Final answer
    x = 999,690.38

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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.