Home / 1,652,261.28-2,280,138.95-917,265.26

Finding the Fourth Proportional to 1,652,261.28, 2,280,138.95 and 917,265.26

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Solution

The fourth proportional to 1,652,261.28, 2,280,138.95 and 917,265.26 is: 1,265,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,261.28 : 2,280,138.95 = 917,265.26 : x
  2. Step 2: Convert to fraction form
    1,652,261.28/2,280,138.95 = 917,265.26/x
  3. Step 3: Cross multiply
    1,652,261.28x = 2,280,138.95 × 917,265.26
  4. Step 4: Simplify right side
    1,652,261.28x = 2,091,492,230,820.86
  5. Step 5: Solve for x
    x = 2,091,492,230,820.86/1,652,261.28
  6. Step 6: Final answer
    x = 1,265,836.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.