Home / 1,429,152.53-1,972,269.96-808,908.39

Finding the Fourth Proportional to 1,429,152.53, 1,972,269.96 and 808,908.39

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Solution

The fourth proportional to 1,429,152.53, 1,972,269.96 and 808,908.39 is: 1,116,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,152.53 : 1,972,269.96 = 808,908.39 : x
  2. Step 2: Convert to fraction form
    1,429,152.53/1,972,269.96 = 808,908.39/x
  3. Step 3: Cross multiply
    1,429,152.53x = 1,972,269.96 × 808,908.39
  4. Step 4: Simplify right side
    1,429,152.53x = 1,595,385,719,505.67
  5. Step 5: Solve for x
    x = 1,595,385,719,505.67/1,429,152.53
  6. Step 6: Final answer
    x = 1,116,315.92

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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.