Home / 1,615,416.15-2,229,289.02-890,290.18

Finding the Fourth Proportional to 1,615,416.15, 2,229,289.02 and 890,290.18

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Solution

The fourth proportional to 1,615,416.15, 2,229,289.02 and 890,290.18 is: 1,228,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,416.15 : 2,229,289.02 = 890,290.18 : x
  2. Step 2: Convert to fraction form
    1,615,416.15/2,229,289.02 = 890,290.18/x
  3. Step 3: Cross multiply
    1,615,416.15x = 2,229,289.02 × 890,290.18
  4. Step 4: Simplify right side
    1,615,416.15x = 1,984,714,122,887.82
  5. Step 5: Solve for x
    x = 1,984,714,122,887.82/1,615,416.15
  6. Step 6: Final answer
    x = 1,228,608.57

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1.5x scale

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.