Home / 1,345,547.30-2,017,977.10-398,696.58

Finding the Fourth Proportional to 1,345,547.30, 2,017,977.10 and 398,696.58

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Solution

The fourth proportional to 1,345,547.30, 2,017,977.10 and 398,696.58 is: 597,942.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,547.30 : 2,017,977.10 = 398,696.58 : x
  2. Step 2: Convert to fraction form
    1,345,547.30/2,017,977.10 = 398,696.58/x
  3. Step 3: Cross multiply
    1,345,547.30x = 2,017,977.10 × 398,696.58
  4. Step 4: Simplify right side
    1,345,547.30x = 804,560,567,291.58
  5. Step 5: Solve for x
    x = 804,560,567,291.58/1,345,547.30
  6. Step 6: Final answer
    x = 597,942.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.