Home / 1,490,865.10-2,057,337.66-911,057.74

Finding the Fourth Proportional to 1,490,865.10, 2,057,337.66 and 911,057.74

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Solution

The fourth proportional to 1,490,865.10, 2,057,337.66 and 911,057.74 is: 1,257,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,865.10 : 2,057,337.66 = 911,057.74 : x
  2. Step 2: Convert to fraction form
    1,490,865.10/2,057,337.66 = 911,057.74/x
  3. Step 3: Cross multiply
    1,490,865.10x = 2,057,337.66 × 911,057.74
  4. Step 4: Simplify right side
    1,490,865.10x = 1,874,353,398,936.49
  5. Step 5: Solve for x
    x = 1,874,353,398,936.49/1,490,865.10
  6. Step 6: Final answer
    x = 1,257,225.35

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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.