Home / 787,179.84-1,181,589.12-697,790.40

Finding the Fourth Proportional to 787,179.84, 1,181,589.12 and 697,790.40

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Solution

The fourth proportional to 787,179.84, 1,181,589.12 and 697,790.40 is: 1,047,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,179.84 : 1,181,589.12 = 697,790.40 : x
  2. Step 2: Convert to fraction form
    787,179.84/1,181,589.12 = 697,790.40/x
  3. Step 3: Cross multiply
    787,179.84x = 1,181,589.12 × 697,790.40
  4. Step 4: Simplify right side
    787,179.84x = 824,501,544,680.45
  5. Step 5: Solve for x
    x = 824,501,544,680.45/787,179.84
  6. Step 6: Final answer
    x = 1,047,411.92

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1.5x scale

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.