Home / 1,120,381.51-1,673,428.34-1,013,600.83

Finding the Fourth Proportional to 1,120,381.51, 1,673,428.34 and 1,013,600.83

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Solution

The fourth proportional to 1,120,381.51, 1,673,428.34 and 1,013,600.83 is: 1,513,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,381.51 : 1,673,428.34 = 1,013,600.83 : x
  2. Step 2: Convert to fraction form
    1,120,381.51/1,673,428.34 = 1,013,600.83/x
  3. Step 3: Cross multiply
    1,120,381.51x = 1,673,428.34 × 1,013,600.83
  4. Step 4: Simplify right side
    1,120,381.51x = 1,696,188,354,369.52
  5. Step 5: Solve for x
    x = 1,696,188,354,369.52/1,120,381.51
  6. Step 6: Final answer
    x = 1,513,938.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.