Home / 1,087,740.78-1,631,442.45-555,655.02

Finding the Fourth Proportional to 1,087,740.78, 1,631,442.45 and 555,655.02

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Solution

The fourth proportional to 1,087,740.78, 1,631,442.45 and 555,655.02 is: 833,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,740.78 : 1,631,442.45 = 555,655.02 : x
  2. Step 2: Convert to fraction form
    1,087,740.78/1,631,442.45 = 555,655.02/x
  3. Step 3: Cross multiply
    1,087,740.78x = 1,631,442.45 × 555,655.02
  4. Step 4: Simplify right side
    1,087,740.78x = 906,519,187,183.60
  5. Step 5: Solve for x
    x = 906,519,187,183.60/1,087,740.78
  6. Step 6: Final answer
    x = 833,396.34

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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.