Home / 1,751,111.08-2,626,667.10-421,415.08

Finding the Fourth Proportional to 1,751,111.08, 2,626,667.10 and 421,415.08

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Solution

The fourth proportional to 1,751,111.08, 2,626,667.10 and 421,415.08 is: 632,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,111.08 : 2,626,667.10 = 421,415.08 : x
  2. Step 2: Convert to fraction form
    1,751,111.08/2,626,667.10 = 421,415.08/x
  3. Step 3: Cross multiply
    1,751,111.08x = 2,626,667.10 × 421,415.08
  4. Step 4: Simplify right side
    1,751,111.08x = 1,106,917,126,079.87
  5. Step 5: Solve for x
    x = 1,106,917,126,079.87/1,751,111.08
  6. Step 6: Final answer
    x = 632,122.74

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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.