Home / 1,275,934.28-1,913,837.81-477,157.10

Finding the Fourth Proportional to 1,275,934.28, 1,913,837.81 and 477,157.10

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Solution

The fourth proportional to 1,275,934.28, 1,913,837.81 and 477,157.10 is: 715,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,934.28 : 1,913,837.81 = 477,157.10 : x
  2. Step 2: Convert to fraction form
    1,275,934.28/1,913,837.81 = 477,157.10/x
  3. Step 3: Cross multiply
    1,275,934.28x = 1,913,837.81 × 477,157.10
  4. Step 4: Simplify right side
    1,275,934.28x = 913,201,287,334.98
  5. Step 5: Solve for x
    x = 913,201,287,334.98/1,275,934.28
  6. Step 6: Final answer
    x = 715,711.86

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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.