Home / 1,484,914.40-2,049,180.60-840,322.88

Finding the Fourth Proportional to 1,484,914.40, 2,049,180.60 and 840,322.88

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Solution

The fourth proportional to 1,484,914.40, 2,049,180.60 and 840,322.88 is: 1,159,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,914.40 : 2,049,180.60 = 840,322.88 : x
  2. Step 2: Convert to fraction form
    1,484,914.40/2,049,180.60 = 840,322.88/x
  3. Step 3: Cross multiply
    1,484,914.40x = 2,049,180.60 × 840,322.88
  4. Step 4: Simplify right side
    1,484,914.40x = 1,721,973,343,432.13
  5. Step 5: Solve for x
    x = 1,721,973,343,432.13/1,484,914.40
  6. Step 6: Final answer
    x = 1,159,644.85

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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.