Home / 1,585,528.40-2,188,018.08-860,357.70

Finding the Fourth Proportional to 1,585,528.40, 2,188,018.08 and 860,357.70

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Solution

The fourth proportional to 1,585,528.40, 2,188,018.08 and 860,357.70 is: 1,187,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,528.40 : 2,188,018.08 = 860,357.70 : x
  2. Step 2: Convert to fraction form
    1,585,528.40/2,188,018.08 = 860,357.70/x
  3. Step 3: Cross multiply
    1,585,528.40x = 2,188,018.08 × 860,357.70
  4. Step 4: Simplify right side
    1,585,528.40x = 1,882,478,202,867.22
  5. Step 5: Solve for x
    x = 1,882,478,202,867.22/1,585,528.40
  6. Step 6: Final answer
    x = 1,187,287.60

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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.