Home / 1,051,342.98-1,450,771.47-643,275.51

Finding the Fourth Proportional to 1,051,342.98, 1,450,771.47 and 643,275.51

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Solution

The fourth proportional to 1,051,342.98, 1,450,771.47 and 643,275.51 is: 887,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,342.98 : 1,450,771.47 = 643,275.51 : x
  2. Step 2: Convert to fraction form
    1,051,342.98/1,450,771.47 = 643,275.51/x
  3. Step 3: Cross multiply
    1,051,342.98x = 1,450,771.47 × 643,275.51
  4. Step 4: Simplify right side
    1,051,342.98x = 933,245,757,257.70
  5. Step 5: Solve for x
    x = 933,245,757,257.70/1,051,342.98
  6. Step 6: Final answer
    x = 887,670.13

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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.