Home / 1,510,354.86-2,265,606.97-431,026.50

Finding the Fourth Proportional to 1,510,354.86, 2,265,606.97 and 431,026.50

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Solution

The fourth proportional to 1,510,354.86, 2,265,606.97 and 431,026.50 is: 646,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,354.86 : 2,265,606.97 = 431,026.50 : x
  2. Step 2: Convert to fraction form
    1,510,354.86/2,265,606.97 = 431,026.50/x
  3. Step 3: Cross multiply
    1,510,354.86x = 2,265,606.97 × 431,026.50
  4. Step 4: Simplify right side
    1,510,354.86x = 976,536,641,577.14
  5. Step 5: Solve for x
    x = 976,536,641,577.14/1,510,354.86
  6. Step 6: Final answer
    x = 646,561.06

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1.5x scale

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.