Home / 1,155,416.94-1,594,487.43-646,147.26

Finding the Fourth Proportional to 1,155,416.94, 1,594,487.43 and 646,147.26

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Solution

The fourth proportional to 1,155,416.94, 1,594,487.43 and 646,147.26 is: 891,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,416.94 : 1,594,487.43 = 646,147.26 : x
  2. Step 2: Convert to fraction form
    1,155,416.94/1,594,487.43 = 646,147.26/x
  3. Step 3: Cross multiply
    1,155,416.94x = 1,594,487.43 × 646,147.26
  4. Step 4: Simplify right side
    1,155,416.94x = 1,030,273,683,998.94
  5. Step 5: Solve for x
    x = 1,030,273,683,998.94/1,155,416.94
  6. Step 6: Final answer
    x = 891,689.96

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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.