Home / 1,424,065.47-1,965,260.34-779,486.19

Finding the Fourth Proportional to 1,424,065.47, 1,965,260.34 and 779,486.19

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Solution

The fourth proportional to 1,424,065.47, 1,965,260.34 and 779,486.19 is: 1,075,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,065.47 : 1,965,260.34 = 779,486.19 : x
  2. Step 2: Convert to fraction form
    1,424,065.47/1,965,260.34 = 779,486.19/x
  3. Step 3: Cross multiply
    1,424,065.47x = 1,965,260.34 × 779,486.19
  4. Step 4: Simplify right side
    1,424,065.47x = 1,531,893,294,784.70
  5. Step 5: Solve for x
    x = 1,531,893,294,784.70/1,424,065.47
  6. Step 6: Final answer
    x = 1,075,718.31

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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.