Home / 1,413,237.90-2,116,746.45-851,292.30

Finding the Fourth Proportional to 1,413,237.90, 2,116,746.45 and 851,292.30

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Solution

The fourth proportional to 1,413,237.90, 2,116,746.45 and 851,292.30 is: 1,275,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,237.90 : 2,116,746.45 = 851,292.30 : x
  2. Step 2: Convert to fraction form
    1,413,237.90/2,116,746.45 = 851,292.30/x
  3. Step 3: Cross multiply
    1,413,237.90x = 2,116,746.45 × 851,292.30
  4. Step 4: Simplify right side
    1,413,237.90x = 1,801,969,953,937.34
  5. Step 5: Solve for x
    x = 1,801,969,953,937.34/1,413,237.90
  6. Step 6: Final answer
    x = 1,275,064.84

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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.