Home / 1,792,943.80-2,474,190.12-977,129.89

Finding the Fourth Proportional to 1,792,943.80, 2,474,190.12 and 977,129.89

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Solution

The fourth proportional to 1,792,943.80, 2,474,190.12 and 977,129.89 is: 1,348,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,943.80 : 2,474,190.12 = 977,129.89 : x
  2. Step 2: Convert to fraction form
    1,792,943.80/2,474,190.12 = 977,129.89/x
  3. Step 3: Cross multiply
    1,792,943.80x = 2,474,190.12 × 977,129.89
  4. Step 4: Simplify right side
    1,792,943.80x = 2,417,605,119,794.69
  5. Step 5: Solve for x
    x = 2,417,605,119,794.69/1,792,943.80
  6. Step 6: Final answer
    x = 1,348,399.83

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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.