Home / 1,490,581.71-2,235,824.82-626,474.34

Finding the Fourth Proportional to 1,490,581.71, 2,235,824.82 and 626,474.34

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Solution

The fourth proportional to 1,490,581.71, 2,235,824.82 and 626,474.34 is: 939,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,581.71 : 2,235,824.82 = 626,474.34 : x
  2. Step 2: Convert to fraction form
    1,490,581.71/2,235,824.82 = 626,474.34/x
  3. Step 3: Cross multiply
    1,490,581.71x = 2,235,824.82 × 626,474.34
  4. Step 4: Simplify right side
    1,490,581.71x = 1,400,686,878,465.12
  5. Step 5: Solve for x
    x = 1,400,686,878,465.12/1,490,581.71
  6. Step 6: Final answer
    x = 939,691.44

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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.