Home / 1,173,419.76-1,619,041.72-664,122.13

Finding the Fourth Proportional to 1,173,419.76, 1,619,041.72 and 664,122.13

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Solution

The fourth proportional to 1,173,419.76, 1,619,041.72 and 664,122.13 is: 916,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,419.76 : 1,619,041.72 = 664,122.13 : x
  2. Step 2: Convert to fraction form
    1,173,419.76/1,619,041.72 = 664,122.13/x
  3. Step 3: Cross multiply
    1,173,419.76x = 1,619,041.72 × 664,122.13
  4. Step 4: Simplify right side
    1,173,419.76x = 1,075,241,435,645.26
  5. Step 5: Solve for x
    x = 1,075,241,435,645.26/1,173,419.76
  6. Step 6: Final answer
    x = 916,331.45

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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.