Home / 1,670,942.28-2,506,462.02-408,769.50

Finding the Fourth Proportional to 1,670,942.28, 2,506,462.02 and 408,769.50

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Solution

The fourth proportional to 1,670,942.28, 2,506,462.02 and 408,769.50 is: 613,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,942.28 : 2,506,462.02 = 408,769.50 : x
  2. Step 2: Convert to fraction form
    1,670,942.28/2,506,462.02 = 408,769.50/x
  3. Step 3: Cross multiply
    1,670,942.28x = 2,506,462.02 × 408,769.50
  4. Step 4: Simplify right side
    1,670,942.28x = 1,024,565,226,684.39
  5. Step 5: Solve for x
    x = 1,024,565,226,684.39/1,670,942.28
  6. Step 6: Final answer
    x = 613,166.14

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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.