Home / 1,427,755.84-2,140,950.40-828,882.40

Finding the Fourth Proportional to 1,427,755.84, 2,140,950.40 and 828,882.40

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Solution

The fourth proportional to 1,427,755.84, 2,140,950.40 and 828,882.40 is: 1,242,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,755.84 : 2,140,950.40 = 828,882.40 : x
  2. Step 2: Convert to fraction form
    1,427,755.84/2,140,950.40 = 828,882.40/x
  3. Step 3: Cross multiply
    1,427,755.84x = 2,140,950.40 × 828,882.40
  4. Step 4: Simplify right side
    1,427,755.84x = 1,774,596,105,832.96
  5. Step 5: Solve for x
    x = 1,774,596,105,832.96/1,427,755.84
  6. Step 6: Final answer
    x = 1,242,926.88

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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.