Home / 1,266,871.94-1,748,261.64-686,090.36

Finding the Fourth Proportional to 1,266,871.94, 1,748,261.64 and 686,090.36

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Solution

The fourth proportional to 1,266,871.94, 1,748,261.64 and 686,090.36 is: 946,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,871.94 : 1,748,261.64 = 686,090.36 : x
  2. Step 2: Convert to fraction form
    1,266,871.94/1,748,261.64 = 686,090.36/x
  3. Step 3: Cross multiply
    1,266,871.94x = 1,748,261.64 × 686,090.36
  4. Step 4: Simplify right side
    1,266,871.94x = 1,199,465,457,961.79
  5. Step 5: Solve for x
    x = 1,199,465,457,961.79/1,266,871.94
  6. Step 6: Final answer
    x = 946,792.98

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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.