Home / 1,323,882-1,826,957.16-720,274.32

Finding the Fourth Proportional to 1,323,882, 1,826,957.16 and 720,274.32

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Solution

The fourth proportional to 1,323,882, 1,826,957.16 and 720,274.32 is: 993,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,882 : 1,826,957.16 = 720,274.32 : x
  2. Step 2: Convert to fraction form
    1,323,882/1,826,957.16 = 720,274.32/x
  3. Step 3: Cross multiply
    1,323,882x = 1,826,957.16 × 720,274.32
  4. Step 4: Simplify right side
    1,323,882x = 1,315,910,326,088.13
  5. Step 5: Solve for x
    x = 1,315,910,326,088.13/1,323,882
  6. Step 6: Final answer
    x = 993,978.56

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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.