Home / 1,570,026.70-2,166,513.33-890,963.20

Finding the Fourth Proportional to 1,570,026.70, 2,166,513.33 and 890,963.20

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Solution

The fourth proportional to 1,570,026.70, 2,166,513.33 and 890,963.20 is: 1,229,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,026.70 : 2,166,513.33 = 890,963.20 : x
  2. Step 2: Convert to fraction form
    1,570,026.70/2,166,513.33 = 890,963.20/x
  3. Step 3: Cross multiply
    1,570,026.70x = 2,166,513.33 × 890,963.20
  4. Step 4: Simplify right side
    1,570,026.70x = 1,930,283,649,339.46
  5. Step 5: Solve for x
    x = 1,930,283,649,339.46/1,570,026.70
  6. Step 6: Final answer
    x = 1,229,459.12

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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.