Home / 1,140,625.24-1,574,043.78-631,316.68

Finding the Fourth Proportional to 1,140,625.24, 1,574,043.78 and 631,316.68

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Solution

The fourth proportional to 1,140,625.24, 1,574,043.78 and 631,316.68 is: 871,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,625.24 : 1,574,043.78 = 631,316.68 : x
  2. Step 2: Convert to fraction form
    1,140,625.24/1,574,043.78 = 631,316.68/x
  3. Step 3: Cross multiply
    1,140,625.24x = 1,574,043.78 × 631,316.68
  4. Step 4: Simplify right side
    1,140,625.24x = 993,720,093,364.25
  5. Step 5: Solve for x
    x = 993,720,093,364.25/1,140,625.24
  6. Step 6: Final answer
    x = 871,206.47

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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.