Home / 1,815,512.70-2,723,269.05-553,338.30

Finding the Fourth Proportional to 1,815,512.70, 2,723,269.05 and 553,338.30

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Solution

The fourth proportional to 1,815,512.70, 2,723,269.05 and 553,338.30 is: 830,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,512.70 : 2,723,269.05 = 553,338.30 : x
  2. Step 2: Convert to fraction form
    1,815,512.70/2,723,269.05 = 553,338.30/x
  3. Step 3: Cross multiply
    1,815,512.70x = 2,723,269.05 × 553,338.30
  4. Step 4: Simplify right side
    1,815,512.70x = 1,506,889,066,569.62
  5. Step 5: Solve for x
    x = 1,506,889,066,569.62/1,815,512.70
  6. Step 6: Final answer
    x = 830,007.45

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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.