Home / 1,275,938.76-1,913,844.60-477,161.64

Finding the Fourth Proportional to 1,275,938.76, 1,913,844.60 and 477,161.64

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Solution

The fourth proportional to 1,275,938.76, 1,913,844.60 and 477,161.64 is: 715,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,938.76 : 1,913,844.60 = 477,161.64 : x
  2. Step 2: Convert to fraction form
    1,275,938.76/1,913,844.60 = 477,161.64/x
  3. Step 3: Cross multiply
    1,275,938.76x = 1,913,844.60 × 477,161.64
  4. Step 4: Simplify right side
    1,275,938.76x = 913,213,228,041.14
  5. Step 5: Solve for x
    x = 913,213,228,041.14/1,275,938.76
  6. Step 6: Final answer
    x = 715,718.70

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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.