Home / 1,224,868.34-1,690,412.88-734,856.22

Finding the Fourth Proportional to 1,224,868.34, 1,690,412.88 and 734,856.22

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Solution

The fourth proportional to 1,224,868.34, 1,690,412.88 and 734,856.22 is: 1,014,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,868.34 : 1,690,412.88 = 734,856.22 : x
  2. Step 2: Convert to fraction form
    1,224,868.34/1,690,412.88 = 734,856.22/x
  3. Step 3: Cross multiply
    1,224,868.34x = 1,690,412.88 × 734,856.22
  4. Step 4: Simplify right side
    1,224,868.34x = 1,242,210,419,236.11
  5. Step 5: Solve for x
    x = 1,242,210,419,236.11/1,224,868.34
  6. Step 6: Final answer
    x = 1,014,158.32

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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.