Home / 1,207,565.12-1,666,379.04-671,009.60

Finding the Fourth Proportional to 1,207,565.12, 1,666,379.04 and 671,009.60

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Solution

The fourth proportional to 1,207,565.12, 1,666,379.04 and 671,009.60 is: 925,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,565.12 : 1,666,379.04 = 671,009.60 : x
  2. Step 2: Convert to fraction form
    1,207,565.12/1,666,379.04 = 671,009.60/x
  3. Step 3: Cross multiply
    1,207,565.12x = 1,666,379.04 × 671,009.60
  4. Step 4: Simplify right side
    1,207,565.12x = 1,118,156,333,078.78
  5. Step 5: Solve for x
    x = 1,118,156,333,078.78/1,207,565.12
  6. Step 6: Final answer
    x = 925,959.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.