Home / 1,325,707.34-1,988,820.93-526,839.98

Finding the Fourth Proportional to 1,325,707.34, 1,988,820.93 and 526,839.98

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Solution

The fourth proportional to 1,325,707.34, 1,988,820.93 and 526,839.98 is: 790,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,707.34 : 1,988,820.93 = 526,839.98 : x
  2. Step 2: Convert to fraction form
    1,325,707.34/1,988,820.93 = 526,839.98/x
  3. Step 3: Cross multiply
    1,325,707.34x = 1,988,820.93 × 526,839.98
  4. Step 4: Simplify right side
    1,325,707.34x = 1,047,790,378,984.78
  5. Step 5: Solve for x
    x = 1,047,790,378,984.78/1,325,707.34
  6. Step 6: Final answer
    x = 790,363.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.