Home / 1,144,013.80-1,716,020.70-879,111.40

Finding the Fourth Proportional to 1,144,013.80, 1,716,020.70 and 879,111.40

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Solution

The fourth proportional to 1,144,013.80, 1,716,020.70 and 879,111.40 is: 1,318,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,013.80 : 1,716,020.70 = 879,111.40 : x
  2. Step 2: Convert to fraction form
    1,144,013.80/1,716,020.70 = 879,111.40/x
  3. Step 3: Cross multiply
    1,144,013.80x = 1,716,020.70 × 879,111.40
  4. Step 4: Simplify right side
    1,144,013.80x = 1,508,573,360,005.98
  5. Step 5: Solve for x
    x = 1,508,573,360,005.98/1,144,013.80
  6. Step 6: Final answer
    x = 1,318,667.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.