Home / 1,223,097.40-1,686,673.02-1,126,548.64

Finding the Fourth Proportional to 1,223,097.40, 1,686,673.02 and 1,126,548.64

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Solution

The fourth proportional to 1,223,097.40, 1,686,673.02 and 1,126,548.64 is: 1,553,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,097.40 : 1,686,673.02 = 1,126,548.64 : x
  2. Step 2: Convert to fraction form
    1,223,097.40/1,686,673.02 = 1,126,548.64/x
  3. Step 3: Cross multiply
    1,223,097.40x = 1,686,673.02 × 1,126,548.64
  4. Step 4: Simplify right side
    1,223,097.40x = 1,900,119,196,805.69
  5. Step 5: Solve for x
    x = 1,900,119,196,805.69/1,223,097.40
  6. Step 6: Final answer
    x = 1,553,530.57

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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.