Home / 1,289,269.02-1,778,803.25-772,834.48

Finding the Fourth Proportional to 1,289,269.02, 1,778,803.25 and 772,834.48

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Solution

The fourth proportional to 1,289,269.02, 1,778,803.25 and 772,834.48 is: 1,066,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,269.02 : 1,778,803.25 = 772,834.48 : x
  2. Step 2: Convert to fraction form
    1,289,269.02/1,778,803.25 = 772,834.48/x
  3. Step 3: Cross multiply
    1,289,269.02x = 1,778,803.25 × 772,834.48
  4. Step 4: Simplify right side
    1,289,269.02x = 1,374,720,484,736.06
  5. Step 5: Solve for x
    x = 1,374,720,484,736.06/1,289,269.02
  6. Step 6: Final answer
    x = 1,066,279.00

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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.