Home / 901,039.76-1,354,800.12-830,820.68

Finding the Fourth Proportional to 901,039.76, 1,354,800.12 and 830,820.68

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Solution

The fourth proportional to 901,039.76, 1,354,800.12 and 830,820.68 is: 1,249,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,039.76 : 1,354,800.12 = 830,820.68 : x
  2. Step 2: Convert to fraction form
    901,039.76/1,354,800.12 = 830,820.68/x
  3. Step 3: Cross multiply
    901,039.76x = 1,354,800.12 × 830,820.68
  4. Step 4: Simplify right side
    901,039.76x = 1,125,595,956,962.48
  5. Step 5: Solve for x
    x = 1,125,595,956,962.48/901,039.76
  6. Step 6: Final answer
    x = 1,249,218.97

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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.