Home / 1,259,845.38-1,738,585.08-686,885.40

Finding the Fourth Proportional to 1,259,845.38, 1,738,585.08 and 686,885.40

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Solution

The fourth proportional to 1,259,845.38, 1,738,585.08 and 686,885.40 is: 947,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,845.38 : 1,738,585.08 = 686,885.40 : x
  2. Step 2: Convert to fraction form
    1,259,845.38/1,738,585.08 = 686,885.40/x
  3. Step 3: Cross multiply
    1,259,845.38x = 1,738,585.08 × 686,885.40
  4. Step 4: Simplify right side
    1,259,845.38x = 1,194,208,708,109.83
  5. Step 5: Solve for x
    x = 1,194,208,708,109.83/1,259,845.38
  6. Step 6: Final answer
    x = 947,901.01

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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.