Home / 1,279,271.10-1,765,421.64-706,347.48

Finding the Fourth Proportional to 1,279,271.10, 1,765,421.64 and 706,347.48

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Solution

The fourth proportional to 1,279,271.10, 1,765,421.64 and 706,347.48 is: 974,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,271.10 : 1,765,421.64 = 706,347.48 : x
  2. Step 2: Convert to fraction form
    1,279,271.10/1,765,421.64 = 706,347.48/x
  3. Step 3: Cross multiply
    1,279,271.10x = 1,765,421.64 × 706,347.48
  4. Step 4: Simplify right side
    1,279,271.10x = 1,247,001,126,551.47
  5. Step 5: Solve for x
    x = 1,247,001,126,551.47/1,279,271.10
  6. Step 6: Final answer
    x = 974,774.72

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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.