Home / 860,187.12-1,186,470.36-788,803.44

Finding the Fourth Proportional to 860,187.12, 1,186,470.36 and 788,803.44

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Solution

The fourth proportional to 860,187.12, 1,186,470.36 and 788,803.44 is: 1,088,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,187.12 : 1,186,470.36 = 788,803.44 : x
  2. Step 2: Convert to fraction form
    860,187.12/1,186,470.36 = 788,803.44/x
  3. Step 3: Cross multiply
    860,187.12x = 1,186,470.36 × 788,803.44
  4. Step 4: Simplify right side
    860,187.12x = 935,891,901,426.04
  5. Step 5: Solve for x
    x = 935,891,901,426.04/860,187.12
  6. Step 6: Final answer
    x = 1,088,009.67

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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.