Home / 1,143,077.85-1,576,724.43-734,477.40

Finding the Fourth Proportional to 1,143,077.85, 1,576,724.43 and 734,477.40

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Solution

The fourth proportional to 1,143,077.85, 1,576,724.43 and 734,477.40 is: 1,013,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,077.85 : 1,576,724.43 = 734,477.40 : x
  2. Step 2: Convert to fraction form
    1,143,077.85/1,576,724.43 = 734,477.40/x
  3. Step 3: Cross multiply
    1,143,077.85x = 1,576,724.43 × 734,477.40
  4. Step 4: Simplify right side
    1,143,077.85x = 1,158,068,459,862.88
  5. Step 5: Solve for x
    x = 1,158,068,459,862.88/1,143,077.85
  6. Step 6: Final answer
    x = 1,013,114.25

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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.