Home / 1,013,926.29-1,399,381.23-578,485.68

Finding the Fourth Proportional to 1,013,926.29, 1,399,381.23 and 578,485.68

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Solution

The fourth proportional to 1,013,926.29, 1,399,381.23 and 578,485.68 is: 798,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,926.29 : 1,399,381.23 = 578,485.68 : x
  2. Step 2: Convert to fraction form
    1,013,926.29/1,399,381.23 = 578,485.68/x
  3. Step 3: Cross multiply
    1,013,926.29x = 1,399,381.23 × 578,485.68
  4. Step 4: Simplify right side
    1,013,926.29x = 809,522,002,415.79
  5. Step 5: Solve for x
    x = 809,522,002,415.79/1,013,926.29
  6. Step 6: Final answer
    x = 798,403.21

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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.