Home / 1,298,211.55-1,791,537.39-709,522.83

Finding the Fourth Proportional to 1,298,211.55, 1,791,537.39 and 709,522.83

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Solution

The fourth proportional to 1,298,211.55, 1,791,537.39 and 709,522.83 is: 979,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,211.55 : 1,791,537.39 = 709,522.83 : x
  2. Step 2: Convert to fraction form
    1,298,211.55/1,791,537.39 = 709,522.83/x
  3. Step 3: Cross multiply
    1,298,211.55x = 1,791,537.39 × 709,522.83
  4. Step 4: Simplify right side
    1,298,211.55x = 1,271,136,679,003.61
  5. Step 5: Solve for x
    x = 1,271,136,679,003.61/1,298,211.55
  6. Step 6: Final answer
    x = 979,144.48

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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.