Home / 1,452,180.70-2,178,271.05-853,428.70

Finding the Fourth Proportional to 1,452,180.70, 2,178,271.05 and 853,428.70

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Solution

The fourth proportional to 1,452,180.70, 2,178,271.05 and 853,428.70 is: 1,280,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,180.70 : 2,178,271.05 = 853,428.70 : x
  2. Step 2: Convert to fraction form
    1,452,180.70/2,178,271.05 = 853,428.70/x
  3. Step 3: Cross multiply
    1,452,180.70x = 2,178,271.05 × 853,428.70
  4. Step 4: Simplify right side
    1,452,180.70x = 1,858,999,030,449.13
  5. Step 5: Solve for x
    x = 1,858,999,030,449.13/1,452,180.70
  6. Step 6: Final answer
    x = 1,280,143.05

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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.