Home / 1,562,505.32-2,155,778.93-1,018,442.60

Finding the Fourth Proportional to 1,562,505.32, 2,155,778.93 and 1,018,442.60

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Solution

The fourth proportional to 1,562,505.32, 2,155,778.93 and 1,018,442.60 is: 1,405,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,505.32 : 2,155,778.93 = 1,018,442.60 : x
  2. Step 2: Convert to fraction form
    1,562,505.32/2,155,778.93 = 1,018,442.60/x
  3. Step 3: Cross multiply
    1,562,505.32x = 2,155,778.93 × 1,018,442.60
  4. Step 4: Simplify right side
    1,562,505.32x = 2,195,537,098,345.80
  5. Step 5: Solve for x
    x = 2,195,537,098,345.80/1,562,505.32
  6. Step 6: Final answer
    x = 1,405,138.96

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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.