Home / 1,314,575.10-1,971,927.45-684,719.10

Finding the Fourth Proportional to 1,314,575.10, 1,971,927.45 and 684,719.10

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Solution

The fourth proportional to 1,314,575.10, 1,971,927.45 and 684,719.10 is: 1,027,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,575.10 : 1,971,927.45 = 684,719.10 : x
  2. Step 2: Convert to fraction form
    1,314,575.10/1,971,927.45 = 684,719.10/x
  3. Step 3: Cross multiply
    1,314,575.10x = 1,971,927.45 × 684,719.10
  4. Step 4: Simplify right side
    1,314,575.10x = 1,350,216,388,829.30
  5. Step 5: Solve for x
    x = 1,350,216,388,829.30/1,314,575.10
  6. Step 6: Final answer
    x = 1,027,112.40

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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.