Home / 1,530,414.57-2,112,154.08-877,274.31

Finding the Fourth Proportional to 1,530,414.57, 2,112,154.08 and 877,274.31

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Solution

The fourth proportional to 1,530,414.57, 2,112,154.08 and 877,274.31 is: 1,210,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,414.57 : 2,112,154.08 = 877,274.31 : x
  2. Step 2: Convert to fraction form
    1,530,414.57/2,112,154.08 = 877,274.31/x
  3. Step 3: Cross multiply
    1,530,414.57x = 2,112,154.08 × 877,274.31
  4. Step 4: Simplify right side
    1,530,414.57x = 1,852,938,513,145.69
  5. Step 5: Solve for x
    x = 1,852,938,513,145.69/1,530,414.57
  6. Step 6: Final answer
    x = 1,210,742.86

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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.