Home / 1,119,019.10-1,678,528.65-966,803.90

Finding the Fourth Proportional to 1,119,019.10, 1,678,528.65 and 966,803.90

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Solution

The fourth proportional to 1,119,019.10, 1,678,528.65 and 966,803.90 is: 1,450,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,019.10 : 1,678,528.65 = 966,803.90 : x
  2. Step 2: Convert to fraction form
    1,119,019.10/1,678,528.65 = 966,803.90/x
  3. Step 3: Cross multiply
    1,119,019.10x = 1,678,528.65 × 966,803.90
  4. Step 4: Simplify right side
    1,119,019.10x = 1,622,808,045,081.74
  5. Step 5: Solve for x
    x = 1,622,808,045,081.74/1,119,019.10
  6. Step 6: Final answer
    x = 1,450,205.85

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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.