Home / 1,018,172.25-1,403,926.20-650,165.49

Finding the Fourth Proportional to 1,018,172.25, 1,403,926.20 and 650,165.49

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Solution

The fourth proportional to 1,018,172.25, 1,403,926.20 and 650,165.49 is: 896,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,172.25 : 1,403,926.20 = 650,165.49 : x
  2. Step 2: Convert to fraction form
    1,018,172.25/1,403,926.20 = 650,165.49/x
  3. Step 3: Cross multiply
    1,018,172.25x = 1,403,926.20 × 650,165.49
  4. Step 4: Simplify right side
    1,018,172.25x = 912,784,365,746.84
  5. Step 5: Solve for x
    x = 912,784,365,746.84/1,018,172.25
  6. Step 6: Final answer
    x = 896,493.07

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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.