Home / 1,521,602.40-2,282,403.60-890,191.20

Finding the Fourth Proportional to 1,521,602.40, 2,282,403.60 and 890,191.20

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Solution

The fourth proportional to 1,521,602.40, 2,282,403.60 and 890,191.20 is: 1,335,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,602.40 : 2,282,403.60 = 890,191.20 : x
  2. Step 2: Convert to fraction form
    1,521,602.40/2,282,403.60 = 890,191.20/x
  3. Step 3: Cross multiply
    1,521,602.40x = 2,282,403.60 × 890,191.20
  4. Step 4: Simplify right side
    1,521,602.40x = 2,031,775,599,568.32
  5. Step 5: Solve for x
    x = 2,031,775,599,568.32/1,521,602.40
  6. Step 6: Final answer
    x = 1,335,286.80

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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.