Home / 1,091,954.78-1,506,899.03-608,509.31

Finding the Fourth Proportional to 1,091,954.78, 1,506,899.03 and 608,509.31

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Solution

The fourth proportional to 1,091,954.78, 1,506,899.03 and 608,509.31 is: 839,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,954.78 : 1,506,899.03 = 608,509.31 : x
  2. Step 2: Convert to fraction form
    1,091,954.78/1,506,899.03 = 608,509.31/x
  3. Step 3: Cross multiply
    1,091,954.78x = 1,506,899.03 × 608,509.31
  4. Step 4: Simplify right side
    1,091,954.78x = 916,962,088,984.97
  5. Step 5: Solve for x
    x = 916,962,088,984.97/1,091,954.78
  6. Step 6: Final answer
    x = 839,743.65

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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.