Home / 1,656,457.76-2,484,741.87-458,279.75

Finding the Fourth Proportional to 1,656,457.76, 2,484,741.87 and 458,279.75

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Solution

The fourth proportional to 1,656,457.76, 2,484,741.87 and 458,279.75 is: 687,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,457.76 : 2,484,741.87 = 458,279.75 : x
  2. Step 2: Convert to fraction form
    1,656,457.76/2,484,741.87 = 458,279.75/x
  3. Step 3: Cross multiply
    1,656,457.76x = 2,484,741.87 × 458,279.75
  4. Step 4: Simplify right side
    1,656,457.76x = 1,138,706,870,574.42
  5. Step 5: Solve for x
    x = 1,138,706,870,574.42/1,656,457.76
  6. Step 6: Final answer
    x = 687,434.90

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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.