Home / 1,490,869.60-2,057,343.88-911,062.24

Finding the Fourth Proportional to 1,490,869.60, 2,057,343.88 and 911,062.24

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Solution

The fourth proportional to 1,490,869.60, 2,057,343.88 and 911,062.24 is: 1,257,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,869.60 : 2,057,343.88 = 911,062.24 : x
  2. Step 2: Convert to fraction form
    1,490,869.60/2,057,343.88 = 911,062.24/x
  3. Step 3: Cross multiply
    1,490,869.60x = 2,057,343.88 × 911,062.24
  4. Step 4: Simplify right side
    1,490,869.60x = 1,874,368,323,763.09
  5. Step 5: Solve for x
    x = 1,874,368,323,763.09/1,490,869.60
  6. Step 6: Final answer
    x = 1,257,231.57

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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.