Home / 874,946.70-1,312,420.05-800,151.30

Finding the Fourth Proportional to 874,946.70, 1,312,420.05 and 800,151.30

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Solution

The fourth proportional to 874,946.70, 1,312,420.05 and 800,151.30 is: 1,200,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,946.70 : 1,312,420.05 = 800,151.30 : x
  2. Step 2: Convert to fraction form
    874,946.70/1,312,420.05 = 800,151.30/x
  3. Step 3: Cross multiply
    874,946.70x = 1,312,420.05 × 800,151.30
  4. Step 4: Simplify right side
    874,946.70x = 1,050,134,609,153.57
  5. Step 5: Solve for x
    x = 1,050,134,609,153.57/874,946.70
  6. Step 6: Final answer
    x = 1,200,226.95

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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.