Home / 1,434,320.70-2,154,688.65-1,198,124.70

Finding the Fourth Proportional to 1,434,320.70, 2,154,688.65 and 1,198,124.70

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Solution

The fourth proportional to 1,434,320.70, 2,154,688.65 and 1,198,124.70 is: 1,799,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,320.70 : 2,154,688.65 = 1,198,124.70 : x
  2. Step 2: Convert to fraction form
    1,434,320.70/2,154,688.65 = 1,198,124.70/x
  3. Step 3: Cross multiply
    1,434,320.70x = 2,154,688.65 × 1,198,124.70
  4. Step 4: Simplify right side
    1,434,320.70x = 2,581,585,692,374.65
  5. Step 5: Solve for x
    x = 2,581,585,692,374.65/1,434,320.70
  6. Step 6: Final answer
    x = 1,799,866.44

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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.