Home / 1,270,415.08-1,913,228.43-1,157,041

Finding the Fourth Proportional to 1,270,415.08, 1,913,228.43 and 1,157,041

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Solution

The fourth proportional to 1,270,415.08, 1,913,228.43 and 1,157,041 is: 1,742,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,415.08 : 1,913,228.43 = 1,157,041 : x
  2. Step 2: Convert to fraction form
    1,270,415.08/1,913,228.43 = 1,157,041/x
  3. Step 3: Cross multiply
    1,270,415.08x = 1,913,228.43 × 1,157,041
  4. Step 4: Simplify right side
    1,270,415.08x = 2,213,683,735,875.63
  5. Step 5: Solve for x
    x = 2,213,683,735,875.63/1,270,415.08
  6. Step 6: Final answer
    x = 1,742,488.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.