Home / 1,421,750.25-2,132,625.38-475,120.95

Finding the Fourth Proportional to 1,421,750.25, 2,132,625.38 and 475,120.95

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Solution

The fourth proportional to 1,421,750.25, 2,132,625.38 and 475,120.95 is: 712,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,750.25 : 2,132,625.38 = 475,120.95 : x
  2. Step 2: Convert to fraction form
    1,421,750.25/2,132,625.38 = 475,120.95/x
  3. Step 3: Cross multiply
    1,421,750.25x = 2,132,625.38 × 475,120.95
  4. Step 4: Simplify right side
    1,421,750.25x = 1,013,254,994,164.11
  5. Step 5: Solve for x
    x = 1,013,254,994,164.11/1,421,750.25
  6. Step 6: Final answer
    x = 712,681.43

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Double scale
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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.