Home / 1,243,307.37-1,715,766.81-734,042.55

Finding the Fourth Proportional to 1,243,307.37, 1,715,766.81 and 734,042.55

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Solution

The fourth proportional to 1,243,307.37, 1,715,766.81 and 734,042.55 is: 1,012,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,307.37 : 1,715,766.81 = 734,042.55 : x
  2. Step 2: Convert to fraction form
    1,243,307.37/1,715,766.81 = 734,042.55/x
  3. Step 3: Cross multiply
    1,243,307.37x = 1,715,766.81 × 734,042.55
  4. Step 4: Simplify right side
    1,243,307.37x = 1,259,445,844,417.77
  5. Step 5: Solve for x
    x = 1,259,445,844,417.77/1,243,307.37
  6. Step 6: Final answer
    x = 1,012,980.28

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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.