Home / 1,316,216.78-1,974,445.66-369,581.12

Finding the Fourth Proportional to 1,316,216.78, 1,974,445.66 and 369,581.12

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Solution

The fourth proportional to 1,316,216.78, 1,974,445.66 and 369,581.12 is: 554,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,216.78 : 1,974,445.66 = 369,581.12 : x
  2. Step 2: Convert to fraction form
    1,316,216.78/1,974,445.66 = 369,581.12/x
  3. Step 3: Cross multiply
    1,316,216.78x = 1,974,445.66 × 369,581.12
  4. Step 4: Simplify right side
    1,316,216.78x = 729,717,838,401.94
  5. Step 5: Solve for x
    x = 729,717,838,401.94/1,316,216.78
  6. Step 6: Final answer
    x = 554,405.51

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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.