Home / 1,312,756.56-1,969,467.16-366,127.30

Finding the Fourth Proportional to 1,312,756.56, 1,969,467.16 and 366,127.30

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Solution

The fourth proportional to 1,312,756.56, 1,969,467.16 and 366,127.30 is: 549,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,756.56 : 1,969,467.16 = 366,127.30 : x
  2. Step 2: Convert to fraction form
    1,312,756.56/1,969,467.16 = 366,127.30/x
  3. Step 3: Cross multiply
    1,312,756.56x = 1,969,467.16 × 366,127.30
  4. Step 4: Simplify right side
    1,312,756.56x = 721,075,693,729.47
  5. Step 5: Solve for x
    x = 721,075,693,729.47/1,312,756.56
  6. Step 6: Final answer
    x = 549,283.63

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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.