Home / 918,930.96-1,267,938.90-536,883.93

Finding the Fourth Proportional to 918,930.96, 1,267,938.90 and 536,883.93

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Solution

The fourth proportional to 918,930.96, 1,267,938.90 and 536,883.93 is: 740,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,930.96 : 1,267,938.90 = 536,883.93 : x
  2. Step 2: Convert to fraction form
    918,930.96/1,267,938.90 = 536,883.93/x
  3. Step 3: Cross multiply
    918,930.96x = 1,267,938.90 × 536,883.93
  4. Step 4: Simplify right side
    918,930.96x = 680,736,019,631.88
  5. Step 5: Solve for x
    x = 680,736,019,631.88/918,930.96
  6. Step 6: Final answer
    x = 740,791.26

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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.