Home / 1,286,650.35-1,775,543.22-742,767.75

Finding the Fourth Proportional to 1,286,650.35, 1,775,543.22 and 742,767.75

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Solution

The fourth proportional to 1,286,650.35, 1,775,543.22 and 742,767.75 is: 1,024,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,650.35 : 1,775,543.22 = 742,767.75 : x
  2. Step 2: Convert to fraction form
    1,286,650.35/1,775,543.22 = 742,767.75/x
  3. Step 3: Cross multiply
    1,286,650.35x = 1,775,543.22 × 742,767.75
  4. Step 4: Simplify right side
    1,286,650.35x = 1,318,816,242,547.16
  5. Step 5: Solve for x
    x = 1,318,816,242,547.16/1,286,650.35
  6. Step 6: Final answer
    x = 1,024,999.72

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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.