Home / 1,585,641.24-2,188,190.64-860,488.74

Finding the Fourth Proportional to 1,585,641.24, 2,188,190.64 and 860,488.74

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Solution

The fourth proportional to 1,585,641.24, 2,188,190.64 and 860,488.74 is: 1,187,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,641.24 : 2,188,190.64 = 860,488.74 : x
  2. Step 2: Convert to fraction form
    1,585,641.24/2,188,190.64 = 860,488.74/x
  3. Step 3: Cross multiply
    1,585,641.24x = 2,188,190.64 × 860,488.74
  4. Step 4: Simplify right side
    1,585,641.24x = 1,882,913,406,693.39
  5. Step 5: Solve for x
    x = 1,882,913,406,693.39/1,585,641.24
  6. Step 6: Final answer
    x = 1,187,477.57

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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.