Home / 1,585,526.40-2,188,015.32-860,355.69

Finding the Fourth Proportional to 1,585,526.40, 2,188,015.32 and 860,355.69

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Solution

The fourth proportional to 1,585,526.40, 2,188,015.32 and 860,355.69 is: 1,187,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,526.40 : 2,188,015.32 = 860,355.69 : x
  2. Step 2: Convert to fraction form
    1,585,526.40/2,188,015.32 = 860,355.69/x
  3. Step 3: Cross multiply
    1,585,526.40x = 2,188,015.32 × 860,355.69
  4. Step 4: Simplify right side
    1,585,526.40x = 1,882,471,430,369.17
  5. Step 5: Solve for x
    x = 1,882,471,430,369.17/1,585,526.40
  6. Step 6: Final answer
    x = 1,187,284.82

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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.