Home / 1,315,155.11-1,972,844.51-462,153.15

Finding the Fourth Proportional to 1,315,155.11, 1,972,844.51 and 462,153.15

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Solution

The fourth proportional to 1,315,155.11, 1,972,844.51 and 462,153.15 is: 693,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,155.11 : 1,972,844.51 = 462,153.15 : x
  2. Step 2: Convert to fraction form
    1,315,155.11/1,972,844.51 = 462,153.15/x
  3. Step 3: Cross multiply
    1,315,155.11x = 1,972,844.51 × 462,153.15
  4. Step 4: Simplify right side
    1,315,155.11x = 911,756,302,445.94
  5. Step 5: Solve for x
    x = 911,756,302,445.94/1,315,155.11
  6. Step 6: Final answer
    x = 693,269.03

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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.