Home / 1,145,239.70-1,717,422.15-346,255.70

Finding the Fourth Proportional to 1,145,239.70, 1,717,422.15 and 346,255.70

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Solution

The fourth proportional to 1,145,239.70, 1,717,422.15 and 346,255.70 is: 519,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,239.70 : 1,717,422.15 = 346,255.70 : x
  2. Step 2: Convert to fraction form
    1,145,239.70/1,717,422.15 = 346,255.70/x
  3. Step 3: Cross multiply
    1,145,239.70x = 1,717,422.15 × 346,255.70
  4. Step 4: Simplify right side
    1,145,239.70x = 594,667,208,743.76
  5. Step 5: Solve for x
    x = 594,667,208,743.76/1,145,239.70
  6. Step 6: Final answer
    x = 519,251.30

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1.5x scale

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.