Home / 1,445,414.85-2,168,122.28-1,390,302.45

Finding the Fourth Proportional to 1,445,414.85, 2,168,122.28 and 1,390,302.45

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Solution

The fourth proportional to 1,445,414.85, 2,168,122.28 and 1,390,302.45 is: 2,085,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,414.85 : 2,168,122.28 = 1,390,302.45 : x
  2. Step 2: Convert to fraction form
    1,445,414.85/2,168,122.28 = 1,390,302.45/x
  3. Step 3: Cross multiply
    1,445,414.85x = 2,168,122.28 × 1,390,302.45
  4. Step 4: Simplify right side
    1,445,414.85x = 3,014,345,710,832.07
  5. Step 5: Solve for x
    x = 3,014,345,710,832.07/1,445,414.85
  6. Step 6: Final answer
    x = 2,085,453.68

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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.