Home / 1,061,218.40-1,464,638.49-625,715.60

Finding the Fourth Proportional to 1,061,218.40, 1,464,638.49 and 625,715.60

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Solution

The fourth proportional to 1,061,218.40, 1,464,638.49 and 625,715.60 is: 863,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,218.40 : 1,464,638.49 = 625,715.60 : x
  2. Step 2: Convert to fraction form
    1,061,218.40/1,464,638.49 = 625,715.60/x
  3. Step 3: Cross multiply
    1,061,218.40x = 1,464,638.49 × 625,715.60
  4. Step 4: Simplify right side
    1,061,218.40x = 916,447,144,230.25
  5. Step 5: Solve for x
    x = 916,447,144,230.25/1,061,218.40
  6. Step 6: Final answer
    x = 863,580.15

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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.