Home / 1,302,390.02-1,796,725.72-785,855.81

Finding the Fourth Proportional to 1,302,390.02, 1,796,725.72 and 785,855.81

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Solution

The fourth proportional to 1,302,390.02, 1,796,725.72 and 785,855.81 is: 1,084,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,390.02 : 1,796,725.72 = 785,855.81 : x
  2. Step 2: Convert to fraction form
    1,302,390.02/1,796,725.72 = 785,855.81/x
  3. Step 3: Cross multiply
    1,302,390.02x = 1,796,725.72 × 785,855.81
  4. Step 4: Simplify right side
    1,302,390.02x = 1,411,967,336,985.55
  5. Step 5: Solve for x
    x = 1,411,967,336,985.55/1,302,390.02
  6. Step 6: Final answer
    x = 1,084,135.56

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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.