Home / 1,345,973.82-1,857,466.02-734,126.64

Finding the Fourth Proportional to 1,345,973.82, 1,857,466.02 and 734,126.64

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Solution

The fourth proportional to 1,345,973.82, 1,857,466.02 and 734,126.64 is: 1,013,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,973.82 : 1,857,466.02 = 734,126.64 : x
  2. Step 2: Convert to fraction form
    1,345,973.82/1,857,466.02 = 734,126.64/x
  3. Step 3: Cross multiply
    1,345,973.82x = 1,857,466.02 × 734,126.64
  4. Step 4: Simplify right side
    1,345,973.82x = 1,363,615,288,176.77
  5. Step 5: Solve for x
    x = 1,363,615,288,176.77/1,345,973.82
  6. Step 6: Final answer
    x = 1,013,106.84

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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.