Home / 1,407,239.01-2,110,840.92-342,281.79

Finding the Fourth Proportional to 1,407,239.01, 2,110,840.92 and 342,281.79

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Solution

The fourth proportional to 1,407,239.01, 2,110,840.92 and 342,281.79 is: 513,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,239.01 : 2,110,840.92 = 342,281.79 : x
  2. Step 2: Convert to fraction form
    1,407,239.01/2,110,840.92 = 342,281.79/x
  3. Step 3: Cross multiply
    1,407,239.01x = 2,110,840.92 × 342,281.79
  4. Step 4: Simplify right side
    1,407,239.01x = 722,502,408,502.85
  5. Step 5: Solve for x
    x = 722,502,408,502.85/1,407,239.01
  6. Step 6: Final answer
    x = 513,418.41

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1.5x scale

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.