Home / 1,298,806.95-1,948,423.67-400,248.84

Finding the Fourth Proportional to 1,298,806.95, 1,948,423.67 and 400,248.84

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Solution

The fourth proportional to 1,298,806.95, 1,948,423.67 and 400,248.84 is: 600,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,806.95 : 1,948,423.67 = 400,248.84 : x
  2. Step 2: Convert to fraction form
    1,298,806.95/1,948,423.67 = 400,248.84/x
  3. Step 3: Cross multiply
    1,298,806.95x = 1,948,423.67 × 400,248.84
  4. Step 4: Simplify right side
    1,298,806.95x = 779,854,311,744.80
  5. Step 5: Solve for x
    x = 779,854,311,744.80/1,298,806.95
  6. Step 6: Final answer
    x = 600,438.97

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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.