Home / 1,087,742.78-1,631,445.69-555,657.02

Finding the Fourth Proportional to 1,087,742.78, 1,631,445.69 and 555,657.02

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Solution

The fourth proportional to 1,087,742.78, 1,631,445.69 and 555,657.02 is: 833,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,742.78 : 1,631,445.69 = 555,657.02 : x
  2. Step 2: Convert to fraction form
    1,087,742.78/1,631,445.69 = 555,657.02/x
  3. Step 3: Cross multiply
    1,087,742.78x = 1,631,445.69 × 555,657.02
  4. Step 4: Simplify right side
    1,087,742.78x = 906,524,250,397.24
  5. Step 5: Solve for x
    x = 906,524,250,397.24/1,087,742.78
  6. Step 6: Final answer
    x = 833,399.46

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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.