Home / 1,038,673.80-1,557,719.10-328,919.40

Finding the Fourth Proportional to 1,038,673.80, 1,557,719.10 and 328,919.40

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Solution

The fourth proportional to 1,038,673.80, 1,557,719.10 and 328,919.40 is: 493,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,673.80 : 1,557,719.10 = 328,919.40 : x
  2. Step 2: Convert to fraction form
    1,038,673.80/1,557,719.10 = 328,919.40/x
  3. Step 3: Cross multiply
    1,038,673.80x = 1,557,719.10 × 328,919.40
  4. Step 4: Simplify right side
    1,038,673.80x = 512,364,031,740.54
  5. Step 5: Solve for x
    x = 512,364,031,740.54/1,038,673.80
  6. Step 6: Final answer
    x = 493,286.76

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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.