Home / 988,742.26-1,483,113.40-456,105.70

Finding the Fourth Proportional to 988,742.26, 1,483,113.40 and 456,105.70

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Solution

The fourth proportional to 988,742.26, 1,483,113.40 and 456,105.70 is: 684,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,742.26 : 1,483,113.40 = 456,105.70 : x
  2. Step 2: Convert to fraction form
    988,742.26/1,483,113.40 = 456,105.70/x
  3. Step 3: Cross multiply
    988,742.26x = 1,483,113.40 × 456,105.70
  4. Step 4: Simplify right side
    988,742.26x = 676,456,475,486.38
  5. Step 5: Solve for x
    x = 676,456,475,486.38/988,742.26
  6. Step 6: Final answer
    x = 684,158.55

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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.