Home / 1,348,207.20-2,019,686.40-748,094.40

Finding the Fourth Proportional to 1,348,207.20, 2,019,686.40 and 748,094.40

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Solution

The fourth proportional to 1,348,207.20, 2,019,686.40 and 748,094.40 is: 1,120,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,207.20 : 2,019,686.40 = 748,094.40 : x
  2. Step 2: Convert to fraction form
    1,348,207.20/2,019,686.40 = 748,094.40/x
  3. Step 3: Cross multiply
    1,348,207.20x = 2,019,686.40 × 748,094.40
  4. Step 4: Simplify right side
    1,348,207.20x = 1,510,916,085,596.16
  5. Step 5: Solve for x
    x = 1,510,916,085,596.16/1,348,207.20
  6. Step 6: Final answer
    x = 1,120,685.37

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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.