Home / 1,490,859.08-2,057,329.40-911,051.72

Finding the Fourth Proportional to 1,490,859.08, 2,057,329.40 and 911,051.72

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Solution

The fourth proportional to 1,490,859.08, 2,057,329.40 and 911,051.72 is: 1,257,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,859.08 : 2,057,329.40 = 911,051.72 : x
  2. Step 2: Convert to fraction form
    1,490,859.08/2,057,329.40 = 911,051.72/x
  3. Step 3: Cross multiply
    1,490,859.08x = 2,057,329.40 × 911,051.72
  4. Step 4: Simplify right side
    1,490,859.08x = 1,874,333,473,634.66
  5. Step 5: Solve for x
    x = 1,874,333,473,634.66/1,490,859.08
  6. Step 6: Final answer
    x = 1,257,217.07

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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.