Home / 1,341,725.28-1,851,547.51-768,728.54

Finding the Fourth Proportional to 1,341,725.28, 1,851,547.51 and 768,728.54

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Solution

The fourth proportional to 1,341,725.28, 1,851,547.51 and 768,728.54 is: 1,060,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,725.28 : 1,851,547.51 = 768,728.54 : x
  2. Step 2: Convert to fraction form
    1,341,725.28/1,851,547.51 = 768,728.54/x
  3. Step 3: Cross multiply
    1,341,725.28x = 1,851,547.51 × 768,728.54
  4. Step 4: Simplify right side
    1,341,725.28x = 1,423,337,419,692.72
  5. Step 5: Solve for x
    x = 1,423,337,419,692.72/1,341,725.28
  6. Step 6: Final answer
    x = 1,060,826.27

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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.