Home / 845,423.54-1,166,860.62-777,332.78

Finding the Fourth Proportional to 845,423.54, 1,166,860.62 and 777,332.78

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Solution

The fourth proportional to 845,423.54, 1,166,860.62 and 777,332.78 is: 1,072,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,423.54 : 1,166,860.62 = 777,332.78 : x
  2. Step 2: Convert to fraction form
    845,423.54/1,166,860.62 = 777,332.78/x
  3. Step 3: Cross multiply
    845,423.54x = 1,166,860.62 × 777,332.78
  4. Step 4: Simplify right side
    845,423.54x = 907,039,009,617.12
  5. Step 5: Solve for x
    x = 907,039,009,617.12/845,423.54
  6. Step 6: Final answer
    x = 1,072,881.19

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1.5x scale

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.