Home / 1,069,729.40-1,605,501.30-439,095.80

Finding the Fourth Proportional to 1,069,729.40, 1,605,501.30 and 439,095.80

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Solution

The fourth proportional to 1,069,729.40, 1,605,501.30 and 439,095.80 is: 659,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,729.40 : 1,605,501.30 = 439,095.80 : x
  2. Step 2: Convert to fraction form
    1,069,729.40/1,605,501.30 = 439,095.80/x
  3. Step 3: Cross multiply
    1,069,729.40x = 1,605,501.30 × 439,095.80
  4. Step 4: Simplify right side
    1,069,729.40x = 704,968,877,724.54
  5. Step 5: Solve for x
    x = 704,968,877,724.54/1,069,729.40
  6. Step 6: Final answer
    x = 659,016.08

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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.