Home / 1,312,158.92-1,810,785.78-739,208.12

Finding the Fourth Proportional to 1,312,158.92, 1,810,785.78 and 739,208.12

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Solution

The fourth proportional to 1,312,158.92, 1,810,785.78 and 739,208.12 is: 1,020,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,158.92 : 1,810,785.78 = 739,208.12 : x
  2. Step 2: Convert to fraction form
    1,312,158.92/1,810,785.78 = 739,208.12/x
  3. Step 3: Cross multiply
    1,312,158.92x = 1,810,785.78 × 739,208.12
  4. Step 4: Simplify right side
    1,312,158.92x = 1,338,547,552,156.53
  5. Step 5: Solve for x
    x = 1,338,547,552,156.53/1,312,158.92
  6. Step 6: Final answer
    x = 1,020,110.85

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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.