Home / 974,947.80-1,462,421.70-911,962.20

Finding the Fourth Proportional to 974,947.80, 1,462,421.70 and 911,962.20

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Solution

The fourth proportional to 974,947.80, 1,462,421.70 and 911,962.20 is: 1,367,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,947.80 : 1,462,421.70 = 911,962.20 : x
  2. Step 2: Convert to fraction form
    974,947.80/1,462,421.70 = 911,962.20/x
  3. Step 3: Cross multiply
    974,947.80x = 1,462,421.70 × 911,962.20
  4. Step 4: Simplify right side
    974,947.80x = 1,333,673,310,859.74
  5. Step 5: Solve for x
    x = 1,333,673,310,859.74/974,947.80
  6. Step 6: Final answer
    x = 1,367,943.30

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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.