Home / 1,302,929.12-1,798,116.10-730,153.82

Finding the Fourth Proportional to 1,302,929.12, 1,798,116.10 and 730,153.82

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Solution

The fourth proportional to 1,302,929.12, 1,798,116.10 and 730,153.82 is: 1,007,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,929.12 : 1,798,116.10 = 730,153.82 : x
  2. Step 2: Convert to fraction form
    1,302,929.12/1,798,116.10 = 730,153.82/x
  3. Step 3: Cross multiply
    1,302,929.12x = 1,798,116.10 × 730,153.82
  4. Step 4: Simplify right side
    1,302,929.12x = 1,312,901,339,218.50
  5. Step 5: Solve for x
    x = 1,312,901,339,218.50/1,302,929.12
  6. Step 6: Final answer
    x = 1,007,653.69

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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.