Home / 1,209,464.01-1,669,129.20-693,303.80

Finding the Fourth Proportional to 1,209,464.01, 1,669,129.20 and 693,303.80

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Solution

The fourth proportional to 1,209,464.01, 1,669,129.20 and 693,303.80 is: 956,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,464.01 : 1,669,129.20 = 693,303.80 : x
  2. Step 2: Convert to fraction form
    1,209,464.01/1,669,129.20 = 693,303.80/x
  3. Step 3: Cross multiply
    1,209,464.01x = 1,669,129.20 × 693,303.80
  4. Step 4: Simplify right side
    1,209,464.01x = 1,157,213,608,705.31
  5. Step 5: Solve for x
    x = 1,157,213,608,705.31/1,209,464.01
  6. Step 6: Final answer
    x = 956,798.71

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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.