Home / 1,359,066.63-2,038,612.38-412,437.45

Finding the Fourth Proportional to 1,359,066.63, 2,038,612.38 and 412,437.45

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Solution

The fourth proportional to 1,359,066.63, 2,038,612.38 and 412,437.45 is: 618,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,066.63 : 2,038,612.38 = 412,437.45 : x
  2. Step 2: Convert to fraction form
    1,359,066.63/2,038,612.38 = 412,437.45/x
  3. Step 3: Cross multiply
    1,359,066.63x = 2,038,612.38 × 412,437.45
  4. Step 4: Simplify right side
    1,359,066.63x = 840,800,091,545.63
  5. Step 5: Solve for x
    x = 840,800,091,545.63/1,359,066.63
  6. Step 6: Final answer
    x = 618,659.95

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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.