Home / 1,262,348.93-1,742,055.37-689,405.96

Finding the Fourth Proportional to 1,262,348.93, 1,742,055.37 and 689,405.96

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Solution

The fourth proportional to 1,262,348.93, 1,742,055.37 and 689,405.96 is: 951,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,348.93 : 1,742,055.37 = 689,405.96 : x
  2. Step 2: Convert to fraction form
    1,262,348.93/1,742,055.37 = 689,405.96/x
  3. Step 3: Cross multiply
    1,262,348.93x = 1,742,055.37 × 689,405.96
  4. Step 4: Simplify right side
    1,262,348.93x = 1,200,983,354,728.01
  5. Step 5: Solve for x
    x = 1,200,983,354,728.01/1,262,348.93
  6. Step 6: Final answer
    x = 951,387.79

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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.