Home / 910,031.80-1,365,047.70-805,055.80

Finding the Fourth Proportional to 910,031.80, 1,365,047.70 and 805,055.80

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Solution

The fourth proportional to 910,031.80, 1,365,047.70 and 805,055.80 is: 1,207,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,031.80 : 1,365,047.70 = 805,055.80 : x
  2. Step 2: Convert to fraction form
    910,031.80/1,365,047.70 = 805,055.80/x
  3. Step 3: Cross multiply
    910,031.80x = 1,365,047.70 × 805,055.80
  4. Step 4: Simplify right side
    910,031.80x = 1,098,939,568,161.66
  5. Step 5: Solve for x
    x = 1,098,939,568,161.66/910,031.80
  6. Step 6: Final answer
    x = 1,207,583.70

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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.