Home / 1,142,171.07-1,713,260.55-289,242.48

Finding the Fourth Proportional to 1,142,171.07, 1,713,260.55 and 289,242.48

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Solution

The fourth proportional to 1,142,171.07, 1,713,260.55 and 289,242.48 is: 433,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,171.07 : 1,713,260.55 = 289,242.48 : x
  2. Step 2: Convert to fraction form
    1,142,171.07/1,713,260.55 = 289,242.48/x
  3. Step 3: Cross multiply
    1,142,171.07x = 1,713,260.55 × 289,242.48
  4. Step 4: Simplify right side
    1,142,171.07x = 495,547,734,651.32
  5. Step 5: Solve for x
    x = 495,547,734,651.32/1,142,171.07
  6. Step 6: Final answer
    x = 433,864.72

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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.