Home / 1,328,953.10-1,993,429.65-972,034.70

Finding the Fourth Proportional to 1,328,953.10, 1,993,429.65 and 972,034.70

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Solution

The fourth proportional to 1,328,953.10, 1,993,429.65 and 972,034.70 is: 1,458,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,953.10 : 1,993,429.65 = 972,034.70 : x
  2. Step 2: Convert to fraction form
    1,328,953.10/1,993,429.65 = 972,034.70/x
  3. Step 3: Cross multiply
    1,328,953.10x = 1,993,429.65 × 972,034.70
  4. Step 4: Simplify right side
    1,328,953.10x = 1,937,682,791,808.85
  5. Step 5: Solve for x
    x = 1,937,682,791,808.85/1,328,953.10
  6. Step 6: Final answer
    x = 1,458,052.05

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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.