Home / 1,113,570.08-1,669,810.80-776,772.08

Finding the Fourth Proportional to 1,113,570.08, 1,669,810.80 and 776,772.08

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Solution

The fourth proportional to 1,113,570.08, 1,669,810.80 and 776,772.08 is: 1,164,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,570.08 : 1,669,810.80 = 776,772.08 : x
  2. Step 2: Convert to fraction form
    1,113,570.08/1,669,810.80 = 776,772.08/x
  3. Step 3: Cross multiply
    1,113,570.08x = 1,669,810.80 × 776,772.08
  4. Step 4: Simplify right side
    1,113,570.08x = 1,297,062,408,322.46
  5. Step 5: Solve for x
    x = 1,297,062,408,322.46/1,113,570.08
  6. Step 6: Final answer
    x = 1,164,778.43

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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.