Home / 1,013,665.80-1,399,015.85-578,084.07

Finding the Fourth Proportional to 1,013,665.80, 1,399,015.85 and 578,084.07

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Solution

The fourth proportional to 1,013,665.80, 1,399,015.85 and 578,084.07 is: 797,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,665.80 : 1,399,015.85 = 578,084.07 : x
  2. Step 2: Convert to fraction form
    1,013,665.80/1,399,015.85 = 578,084.07/x
  3. Step 3: Cross multiply
    1,013,665.80x = 1,399,015.85 × 578,084.07
  4. Step 4: Simplify right side
    1,013,665.80x = 808,748,773,672.09
  5. Step 5: Solve for x
    x = 808,748,773,672.09/1,013,665.80
  6. Step 6: Final answer
    x = 797,845.58

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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.