Home / 1,370,689.15-2,057,920.47-697,226.20

Finding the Fourth Proportional to 1,370,689.15, 2,057,920.47 and 697,226.20

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Solution

The fourth proportional to 1,370,689.15, 2,057,920.47 and 697,226.20 is: 1,046,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,689.15 : 2,057,920.47 = 697,226.20 : x
  2. Step 2: Convert to fraction form
    1,370,689.15/2,057,920.47 = 697,226.20/x
  3. Step 3: Cross multiply
    1,370,689.15x = 2,057,920.47 × 697,226.20
  4. Step 4: Simplify right side
    1,370,689.15x = 1,434,836,069,200.31
  5. Step 5: Solve for x
    x = 1,434,836,069,200.31/1,370,689.15
  6. Step 6: Final answer
    x = 1,046,799.03

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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.