Home / 1,125,139.98-1,552,526.25-683,384.85

Finding the Fourth Proportional to 1,125,139.98, 1,552,526.25 and 683,384.85

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Solution

The fourth proportional to 1,125,139.98, 1,552,526.25 and 683,384.85 is: 942,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,139.98 : 1,552,526.25 = 683,384.85 : x
  2. Step 2: Convert to fraction form
    1,125,139.98/1,552,526.25 = 683,384.85/x
  3. Step 3: Cross multiply
    1,125,139.98x = 1,552,526.25 × 683,384.85
  4. Step 4: Simplify right side
    1,125,139.98x = 1,060,972,918,477.31
  5. Step 5: Solve for x
    x = 1,060,972,918,477.31/1,125,139.98
  6. Step 6: Final answer
    x = 942,969.71

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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.