Home / 917,650.80-1,376,476.20-901,904.40

Finding the Fourth Proportional to 917,650.80, 1,376,476.20 and 901,904.40

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Solution

The fourth proportional to 917,650.80, 1,376,476.20 and 901,904.40 is: 1,352,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,650.80 : 1,376,476.20 = 901,904.40 : x
  2. Step 2: Convert to fraction form
    917,650.80/1,376,476.20 = 901,904.40/x
  3. Step 3: Cross multiply
    917,650.80x = 1,376,476.20 × 901,904.40
  4. Step 4: Simplify right side
    917,650.80x = 1,241,449,941,275.28
  5. Step 5: Solve for x
    x = 1,241,449,941,275.28/917,650.80
  6. Step 6: Final answer
    x = 1,352,856.60

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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.