Home / 1,492,043.51-2,238,726.83-781,902.74

Finding the Fourth Proportional to 1,492,043.51, 2,238,726.83 and 781,902.74

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Solution

The fourth proportional to 1,492,043.51, 2,238,726.83 and 781,902.74 is: 1,173,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,043.51 : 2,238,726.83 = 781,902.74 : x
  2. Step 2: Convert to fraction form
    1,492,043.51/2,238,726.83 = 781,902.74/x
  3. Step 3: Cross multiply
    1,492,043.51x = 2,238,726.83 × 781,902.74
  4. Step 4: Simplify right side
    1,492,043.51x = 1,750,466,627,385.37
  5. Step 5: Solve for x
    x = 1,750,466,627,385.37/1,492,043.51
  6. Step 6: Final answer
    x = 1,173,200.80

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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.