Home / 1,379,862.10-1,904,206.80-776,250.10

Finding the Fourth Proportional to 1,379,862.10, 1,904,206.80 and 776,250.10

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Solution

The fourth proportional to 1,379,862.10, 1,904,206.80 and 776,250.10 is: 1,071,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,862.10 : 1,904,206.80 = 776,250.10 : x
  2. Step 2: Convert to fraction form
    1,379,862.10/1,904,206.80 = 776,250.10/x
  3. Step 3: Cross multiply
    1,379,862.10x = 1,904,206.80 × 776,250.10
  4. Step 4: Simplify right side
    1,379,862.10x = 1,478,140,718,920.68
  5. Step 5: Solve for x
    x = 1,478,140,718,920.68/1,379,862.10
  6. Step 6: Final answer
    x = 1,071,223.51

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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.