Home / 1,311,718.08-1,810,176.96-738,768

Finding the Fourth Proportional to 1,311,718.08, 1,810,176.96 and 738,768

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Solution

The fourth proportional to 1,311,718.08, 1,810,176.96 and 738,768 is: 1,019,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,718.08 : 1,810,176.96 = 738,768 : x
  2. Step 2: Convert to fraction form
    1,311,718.08/1,810,176.96 = 738,768/x
  3. Step 3: Cross multiply
    1,311,718.08x = 1,810,176.96 × 738,768
  4. Step 4: Simplify right side
    1,311,718.08x = 1,337,300,812,385.28
  5. Step 5: Solve for x
    x = 1,337,300,812,385.28/1,311,718.08
  6. Step 6: Final answer
    x = 1,019,503.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.