Home / 1,001,347.78-1,502,021.32-665,045.04

Finding the Fourth Proportional to 1,001,347.78, 1,502,021.32 and 665,045.04

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Solution

The fourth proportional to 1,001,347.78, 1,502,021.32 and 665,045.04 is: 997,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,347.78 : 1,502,021.32 = 665,045.04 : x
  2. Step 2: Convert to fraction form
    1,001,347.78/1,502,021.32 = 665,045.04/x
  3. Step 3: Cross multiply
    1,001,347.78x = 1,502,021.32 × 665,045.04
  4. Step 4: Simplify right side
    1,001,347.78x = 998,911,828,840.25
  5. Step 5: Solve for x
    x = 998,911,828,840.25/1,001,347.78
  6. Step 6: Final answer
    x = 997,567.33

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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.