Home / 1,221,417.65-1,832,252.16-422,697.98

Finding the Fourth Proportional to 1,221,417.65, 1,832,252.16 and 422,697.98

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Solution

The fourth proportional to 1,221,417.65, 1,832,252.16 and 422,697.98 is: 634,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,417.65 : 1,832,252.16 = 422,697.98 : x
  2. Step 2: Convert to fraction form
    1,221,417.65/1,832,252.16 = 422,697.98/x
  3. Step 3: Cross multiply
    1,221,417.65x = 1,832,252.16 × 422,697.98
  4. Step 4: Simplify right side
    1,221,417.65x = 774,489,277,721.38
  5. Step 5: Solve for x
    x = 774,489,277,721.38/1,221,417.65
  6. Step 6: Final answer
    x = 634,090.46

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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.