Home / 1,334,482.61-1,841,586.84-722,640.20

Finding the Fourth Proportional to 1,334,482.61, 1,841,586.84 and 722,640.20

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Solution

The fourth proportional to 1,334,482.61, 1,841,586.84 and 722,640.20 is: 997,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,482.61 : 1,841,586.84 = 722,640.20 : x
  2. Step 2: Convert to fraction form
    1,334,482.61/1,841,586.84 = 722,640.20/x
  3. Step 3: Cross multiply
    1,334,482.61x = 1,841,586.84 × 722,640.20
  4. Step 4: Simplify right side
    1,334,482.61x = 1,330,804,673,167.03
  5. Step 5: Solve for x
    x = 1,330,804,673,167.03/1,334,482.61
  6. Step 6: Final answer
    x = 997,243.93

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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.