Home / 1,490,860.59-2,057,331.45-911,053.23

Finding the Fourth Proportional to 1,490,860.59, 2,057,331.45 and 911,053.23

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Solution

The fourth proportional to 1,490,860.59, 2,057,331.45 and 911,053.23 is: 1,257,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,860.59 : 2,057,331.45 = 911,053.23 : x
  2. Step 2: Convert to fraction form
    1,490,860.59/2,057,331.45 = 911,053.23/x
  3. Step 3: Cross multiply
    1,490,860.59x = 2,057,331.45 × 911,053.23
  4. Step 4: Simplify right side
    1,490,860.59x = 1,874,338,462,703.08
  5. Step 5: Solve for x
    x = 1,874,338,462,703.08/1,490,860.59
  6. Step 6: Final answer
    x = 1,257,219.14

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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.