Home / 945,673.67-1,417,655.75-642,169.10

Finding the Fourth Proportional to 945,673.67, 1,417,655.75 and 642,169.10

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Solution

The fourth proportional to 945,673.67, 1,417,655.75 and 642,169.10 is: 962,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,673.67 : 1,417,655.75 = 642,169.10 : x
  2. Step 2: Convert to fraction form
    945,673.67/1,417,655.75 = 642,169.10/x
  3. Step 3: Cross multiply
    945,673.67x = 1,417,655.75 × 642,169.10
  4. Step 4: Simplify right side
    945,673.67x = 910,374,706,788.20
  5. Step 5: Solve for x
    x = 910,374,706,788.20/945,673.67
  6. Step 6: Final answer
    x = 962,673.21

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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.