Home / 1,142,171.32-1,713,260.93-289,242.74

Finding the Fourth Proportional to 1,142,171.32, 1,713,260.93 and 289,242.74

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Solution

The fourth proportional to 1,142,171.32, 1,713,260.93 and 289,242.74 is: 433,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,171.32 : 1,713,260.93 = 289,242.74 : x
  2. Step 2: Convert to fraction form
    1,142,171.32/1,713,260.93 = 289,242.74/x
  3. Step 3: Cross multiply
    1,142,171.32x = 1,713,260.93 × 289,242.74
  4. Step 4: Simplify right side
    1,142,171.32x = 495,548,275,715.63
  5. Step 5: Solve for x
    x = 495,548,275,715.63/1,142,171.32
  6. Step 6: Final answer
    x = 433,865.10

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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.