Home / 1,099,123.90-1,516,875.12-691,575.10

Finding the Fourth Proportional to 1,099,123.90, 1,516,875.12 and 691,575.10

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Solution

The fourth proportional to 1,099,123.90, 1,516,875.12 and 691,575.10 is: 954,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,123.90 : 1,516,875.12 = 691,575.10 : x
  2. Step 2: Convert to fraction form
    1,099,123.90/1,516,875.12 = 691,575.10/x
  3. Step 3: Cross multiply
    1,099,123.90x = 1,516,875.12 × 691,575.10
  4. Step 4: Simplify right side
    1,099,123.90x = 1,049,033,062,801.51
  5. Step 5: Solve for x
    x = 1,049,033,062,801.51/1,099,123.90
  6. Step 6: Final answer
    x = 954,426.58

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1.5x scale

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.