Home / 1,097,019.40-1,646,501.10-647,177.80

Finding the Fourth Proportional to 1,097,019.40, 1,646,501.10 and 647,177.80

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Solution

The fourth proportional to 1,097,019.40, 1,646,501.10 and 647,177.80 is: 971,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,019.40 : 1,646,501.10 = 647,177.80 : x
  2. Step 2: Convert to fraction form
    1,097,019.40/1,646,501.10 = 647,177.80/x
  3. Step 3: Cross multiply
    1,097,019.40x = 1,646,501.10 × 647,177.80
  4. Step 4: Simplify right side
    1,097,019.40x = 1,065,578,959,595.58
  5. Step 5: Solve for x
    x = 1,065,578,959,595.58/1,097,019.40
  6. Step 6: Final answer
    x = 971,340.12

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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.