Home / 1,424,325-1,965,568.50-788,421

Finding the Fourth Proportional to 1,424,325, 1,965,568.50 and 788,421

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Solution

The fourth proportional to 1,424,325, 1,965,568.50 and 788,421 is: 1,088,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,325 : 1,965,568.50 = 788,421 : x
  2. Step 2: Convert to fraction form
    1,424,325/1,965,568.50 = 788,421/x
  3. Step 3: Cross multiply
    1,424,325x = 1,965,568.50 × 788,421
  4. Step 4: Simplify right side
    1,424,325x = 1,549,695,482,338.50
  5. Step 5: Solve for x
    x = 1,549,695,482,338.50/1,424,325
  6. Step 6: Final answer
    x = 1,088,020.98

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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.