Home / 1,434,506.52-1,979,618.78-789,925.12

Finding the Fourth Proportional to 1,434,506.52, 1,979,618.78 and 789,925.12

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Solution

The fourth proportional to 1,434,506.52, 1,979,618.78 and 789,925.12 is: 1,090,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,506.52 : 1,979,618.78 = 789,925.12 : x
  2. Step 2: Convert to fraction form
    1,434,506.52/1,979,618.78 = 789,925.12/x
  3. Step 3: Cross multiply
    1,434,506.52x = 1,979,618.78 × 789,925.12
  4. Step 4: Simplify right side
    1,434,506.52x = 1,563,750,602,345.75
  5. Step 5: Solve for x
    x = 1,563,750,602,345.75/1,434,506.52
  6. Step 6: Final answer
    x = 1,090,096.55

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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.