Home / 1,117,368.64-1,676,040.95-739,977.79

Finding the Fourth Proportional to 1,117,368.64, 1,676,040.95 and 739,977.79

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Solution

The fourth proportional to 1,117,368.64, 1,676,040.95 and 739,977.79 is: 1,109,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,368.64 : 1,676,040.95 = 739,977.79 : x
  2. Step 2: Convert to fraction form
    1,117,368.64/1,676,040.95 = 739,977.79/x
  3. Step 3: Cross multiply
    1,117,368.64x = 1,676,040.95 × 739,977.79
  4. Step 4: Simplify right side
    1,117,368.64x = 1,240,233,075,790.34
  5. Step 5: Solve for x
    x = 1,240,233,075,790.34/1,117,368.64
  6. Step 6: Final answer
    x = 1,109,958.73

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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.