Home / 1,119,870.30-1,678,741.23-713,923.02

Finding the Fourth Proportional to 1,119,870.30, 1,678,741.23 and 713,923.02

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Solution

The fourth proportional to 1,119,870.30, 1,678,741.23 and 713,923.02 is: 1,070,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,870.30 : 1,678,741.23 = 713,923.02 : x
  2. Step 2: Convert to fraction form
    1,119,870.30/1,678,741.23 = 713,923.02/x
  3. Step 3: Cross multiply
    1,119,870.30x = 1,678,741.23 × 713,923.02
  4. Step 4: Simplify right side
    1,119,870.30x = 1,198,492,008,720.11
  5. Step 5: Solve for x
    x = 1,198,492,008,720.11/1,119,870.30
  6. Step 6: Final answer
    x = 1,070,206.08

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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.