Home / 1,142,641.35-1,714,186.06-422,988.58

Finding the Fourth Proportional to 1,142,641.35, 1,714,186.06 and 422,988.58

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Solution

The fourth proportional to 1,142,641.35, 1,714,186.06 and 422,988.58 is: 634,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,641.35 : 1,714,186.06 = 422,988.58 : x
  2. Step 2: Convert to fraction form
    1,142,641.35/1,714,186.06 = 422,988.58/x
  3. Step 3: Cross multiply
    1,142,641.35x = 1,714,186.06 × 422,988.58
  4. Step 4: Simplify right side
    1,142,641.35x = 725,081,128,460.46
  5. Step 5: Solve for x
    x = 725,081,128,460.46/1,142,641.35
  6. Step 6: Final answer
    x = 634,565.81

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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.