Home / 1,048,761.60-1,570,809.60-862,137.60

Finding the Fourth Proportional to 1,048,761.60, 1,570,809.60 and 862,137.60

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Solution

The fourth proportional to 1,048,761.60, 1,570,809.60 and 862,137.60 is: 1,291,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,761.60 : 1,570,809.60 = 862,137.60 : x
  2. Step 2: Convert to fraction form
    1,048,761.60/1,570,809.60 = 862,137.60/x
  3. Step 3: Cross multiply
    1,048,761.60x = 1,570,809.60 × 862,137.60
  4. Step 4: Simplify right side
    1,048,761.60x = 1,354,254,018,600.96
  5. Step 5: Solve for x
    x = 1,354,254,018,600.96/1,048,761.60
  6. Step 6: Final answer
    x = 1,291,288.71

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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.