Home / 1,021,841.13-1,533,374.06-422,810.49

Finding the Fourth Proportional to 1,021,841.13, 1,533,374.06 and 422,810.49

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Solution

The fourth proportional to 1,021,841.13, 1,533,374.06 and 422,810.49 is: 634,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,841.13 : 1,533,374.06 = 422,810.49 : x
  2. Step 2: Convert to fraction form
    1,021,841.13/1,533,374.06 = 422,810.49/x
  3. Step 3: Cross multiply
    1,021,841.13x = 1,533,374.06 × 422,810.49
  4. Step 4: Simplify right side
    1,021,841.13x = 648,326,635,547.84
  5. Step 5: Solve for x
    x = 648,326,635,547.84/1,021,841.13
  6. Step 6: Final answer
    x = 634,469.11

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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.