Home / 1,778,431.32-2,668,071.38-580,355.87

Finding the Fourth Proportional to 1,778,431.32, 2,668,071.38 and 580,355.87

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Solution

The fourth proportional to 1,778,431.32, 2,668,071.38 and 580,355.87 is: 870,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,431.32 : 2,668,071.38 = 580,355.87 : x
  2. Step 2: Convert to fraction form
    1,778,431.32/2,668,071.38 = 580,355.87/x
  3. Step 3: Cross multiply
    1,778,431.32x = 2,668,071.38 × 580,355.87
  4. Step 4: Simplify right side
    1,778,431.32x = 1,548,430,880,725.13
  5. Step 5: Solve for x
    x = 1,548,430,880,725.13/1,778,431.32
  6. Step 6: Final answer
    x = 870,672.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.