Home / 1,585,564.47-2,188,084.91-860,412.34

Finding the Fourth Proportional to 1,585,564.47, 2,188,084.91 and 860,412.34

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Solution

The fourth proportional to 1,585,564.47, 2,188,084.91 and 860,412.34 is: 1,187,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,564.47 : 2,188,084.91 = 860,412.34 : x
  2. Step 2: Convert to fraction form
    1,585,564.47/2,188,084.91 = 860,412.34/x
  3. Step 3: Cross multiply
    1,585,564.47x = 2,188,084.91 × 860,412.34
  4. Step 4: Simplify right side
    1,585,564.47x = 1,882,655,254,212.61
  5. Step 5: Solve for x
    x = 1,882,655,254,212.61/1,585,564.47
  6. Step 6: Final answer
    x = 1,187,372.25

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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.