Home / 1,077,396.08-1,486,941.18-618,654.20

Finding the Fourth Proportional to 1,077,396.08, 1,486,941.18 and 618,654.20

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Solution

The fourth proportional to 1,077,396.08, 1,486,941.18 and 618,654.20 is: 853,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,396.08 : 1,486,941.18 = 618,654.20 : x
  2. Step 2: Convert to fraction form
    1,077,396.08/1,486,941.18 = 618,654.20/x
  3. Step 3: Cross multiply
    1,077,396.08x = 1,486,941.18 × 618,654.20
  4. Step 4: Simplify right side
    1,077,396.08x = 919,902,406,159.96
  5. Step 5: Solve for x
    x = 919,902,406,159.96/1,077,396.08
  6. Step 6: Final answer
    x = 853,820.08

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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.