Home / 1,294,971.20-1,942,514.40-442,030.40

Finding the Fourth Proportional to 1,294,971.20, 1,942,514.40 and 442,030.40

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Solution

The fourth proportional to 1,294,971.20, 1,942,514.40 and 442,030.40 is: 663,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,971.20 : 1,942,514.40 = 442,030.40 : x
  2. Step 2: Convert to fraction form
    1,294,971.20/1,942,514.40 = 442,030.40/x
  3. Step 3: Cross multiply
    1,294,971.20x = 1,942,514.40 × 442,030.40
  4. Step 4: Simplify right side
    1,294,971.20x = 858,650,417,237.76
  5. Step 5: Solve for x
    x = 858,650,417,237.76/1,294,971.20
  6. Step 6: Final answer
    x = 663,065.26

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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.