Home / 876,655.10-1,314,982.65-811,045.10

Finding the Fourth Proportional to 876,655.10, 1,314,982.65 and 811,045.10

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Solution

The fourth proportional to 876,655.10, 1,314,982.65 and 811,045.10 is: 1,216,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,655.10 : 1,314,982.65 = 811,045.10 : x
  2. Step 2: Convert to fraction form
    876,655.10/1,314,982.65 = 811,045.10/x
  3. Step 3: Cross multiply
    876,655.10x = 1,314,982.65 × 811,045.10
  4. Step 4: Simplify right side
    876,655.10x = 1,066,510,234,867.51
  5. Step 5: Solve for x
    x = 1,066,510,234,867.51/876,655.10
  6. Step 6: Final answer
    x = 1,216,567.65

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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.