Home / 1,262,763.18-1,742,651.46-689,840.22

Finding the Fourth Proportional to 1,262,763.18, 1,742,651.46 and 689,840.22

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Solution

The fourth proportional to 1,262,763.18, 1,742,651.46 and 689,840.22 is: 952,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,763.18 : 1,742,651.46 = 689,840.22 : x
  2. Step 2: Convert to fraction form
    1,262,763.18/1,742,651.46 = 689,840.22/x
  3. Step 3: Cross multiply
    1,262,763.18x = 1,742,651.46 × 689,840.22
  4. Step 4: Simplify right side
    1,262,763.18x = 1,202,151,066,549.72
  5. Step 5: Solve for x
    x = 1,202,151,066,549.72/1,262,763.18
  6. Step 6: Final answer
    x = 952,000.41

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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.