Home / 1,242,109.08-1,863,360.45-400,464

Finding the Fourth Proportional to 1,242,109.08, 1,863,360.45 and 400,464

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Solution

The fourth proportional to 1,242,109.08, 1,863,360.45 and 400,464 is: 600,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,109.08 : 1,863,360.45 = 400,464 : x
  2. Step 2: Convert to fraction form
    1,242,109.08/1,863,360.45 = 400,464/x
  3. Step 3: Cross multiply
    1,242,109.08x = 1,863,360.45 × 400,464
  4. Step 4: Simplify right side
    1,242,109.08x = 746,208,779,248.80
  5. Step 5: Solve for x
    x = 746,208,779,248.80/1,242,109.08
  6. Step 6: Final answer
    x = 600,759.46

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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.