Home / 1,137,820.32-1,570,309.20-654,403.68

Finding the Fourth Proportional to 1,137,820.32, 1,570,309.20 and 654,403.68

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Solution

The fourth proportional to 1,137,820.32, 1,570,309.20 and 654,403.68 is: 903,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,820.32 : 1,570,309.20 = 654,403.68 : x
  2. Step 2: Convert to fraction form
    1,137,820.32/1,570,309.20 = 654,403.68/x
  3. Step 3: Cross multiply
    1,137,820.32x = 1,570,309.20 × 654,403.68
  4. Step 4: Simplify right side
    1,137,820.32x = 1,027,616,119,217.86
  5. Step 5: Solve for x
    x = 1,027,616,119,217.86/1,137,820.32
  6. Step 6: Final answer
    x = 903,144.46

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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.