Home / 1,270,271.42-1,752,929.21-718,975.30

Finding the Fourth Proportional to 1,270,271.42, 1,752,929.21 and 718,975.30

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Solution

The fourth proportional to 1,270,271.42, 1,752,929.21 and 718,975.30 is: 992,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,271.42 : 1,752,929.21 = 718,975.30 : x
  2. Step 2: Convert to fraction form
    1,270,271.42/1,752,929.21 = 718,975.30/x
  3. Step 3: Cross multiply
    1,270,271.42x = 1,752,929.21 × 718,975.30
  4. Step 4: Simplify right side
    1,270,271.42x = 1,260,312,804,638.51
  5. Step 5: Solve for x
    x = 1,260,312,804,638.51/1,270,271.42
  6. Step 6: Final answer
    x = 992,160.25

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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.