Home / 1,121,914.62-1,548,038.25-663,106.32

Finding the Fourth Proportional to 1,121,914.62, 1,548,038.25 and 663,106.32

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Solution

The fourth proportional to 1,121,914.62, 1,548,038.25 and 663,106.32 is: 914,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,914.62 : 1,548,038.25 = 663,106.32 : x
  2. Step 2: Convert to fraction form
    1,121,914.62/1,548,038.25 = 663,106.32/x
  3. Step 3: Cross multiply
    1,121,914.62x = 1,548,038.25 × 663,106.32
  4. Step 4: Simplify right side
    1,121,914.62x = 1,026,513,947,176.74
  5. Step 5: Solve for x
    x = 1,026,513,947,176.74/1,121,914.62
  6. Step 6: Final answer
    x = 914,966.19

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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.