Home / 1,258,956.96-1,737,338.16-686,002.08

Finding the Fourth Proportional to 1,258,956.96, 1,737,338.16 and 686,002.08

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Solution

The fourth proportional to 1,258,956.96, 1,737,338.16 and 686,002.08 is: 946,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,956.96 : 1,737,338.16 = 686,002.08 : x
  2. Step 2: Convert to fraction form
    1,258,956.96/1,737,338.16 = 686,002.08/x
  3. Step 3: Cross multiply
    1,258,956.96x = 1,737,338.16 × 686,002.08
  4. Step 4: Simplify right side
    1,258,956.96x = 1,191,817,591,423.37
  5. Step 5: Solve for x
    x = 1,191,817,591,423.37/1,258,956.96
  6. Step 6: Final answer
    x = 946,670.64

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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.