Home / 1,420,655.61-2,131,001.87-474,026.32

Finding the Fourth Proportional to 1,420,655.61, 2,131,001.87 and 474,026.32

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Solution

The fourth proportional to 1,420,655.61, 2,131,001.87 and 474,026.32 is: 711,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,655.61 : 2,131,001.87 = 474,026.32 : x
  2. Step 2: Convert to fraction form
    1,420,655.61/2,131,001.87 = 474,026.32/x
  3. Step 3: Cross multiply
    1,420,655.61x = 2,131,001.87 × 474,026.32
  4. Step 4: Simplify right side
    1,420,655.61x = 1,010,150,974,349.22
  5. Step 5: Solve for x
    x = 1,010,150,974,349.22/1,420,655.61
  6. Step 6: Final answer
    x = 711,045.64

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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.