Home / 1,272,903.76-1,756,170-789,294.88

Finding the Fourth Proportional to 1,272,903.76, 1,756,170 and 789,294.88

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Solution

The fourth proportional to 1,272,903.76, 1,756,170 and 789,294.88 is: 1,088,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,903.76 : 1,756,170 = 789,294.88 : x
  2. Step 2: Convert to fraction form
    1,272,903.76/1,756,170 = 789,294.88/x
  3. Step 3: Cross multiply
    1,272,903.76x = 1,756,170 × 789,294.88
  4. Step 4: Simplify right side
    1,272,903.76x = 1,386,135,989,409.60
  5. Step 5: Solve for x
    x = 1,386,135,989,409.60/1,272,903.76
  6. Step 6: Final answer
    x = 1,088,955.84

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1.5x scale

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.