Home / 1,525,705.88-2,105,539.72-846,642.38

Finding the Fourth Proportional to 1,525,705.88, 2,105,539.72 and 846,642.38

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Solution

The fourth proportional to 1,525,705.88, 2,105,539.72 and 846,642.38 is: 1,168,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,705.88 : 2,105,539.72 = 846,642.38 : x
  2. Step 2: Convert to fraction form
    1,525,705.88/2,105,539.72 = 846,642.38/x
  3. Step 3: Cross multiply
    1,525,705.88x = 2,105,539.72 × 846,642.38
  4. Step 4: Simplify right side
    1,525,705.88x = 1,782,639,147,081.03
  5. Step 5: Solve for x
    x = 1,782,639,147,081.03/1,525,705.88
  6. Step 6: Final answer
    x = 1,168,402.89

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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.