Home / 1,090,999.10-1,636,756.14-343,045.10

Finding the Fourth Proportional to 1,090,999.10, 1,636,756.14 and 343,045.10

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Solution

The fourth proportional to 1,090,999.10, 1,636,756.14 and 343,045.10 is: 514,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,999.10 : 1,636,756.14 = 343,045.10 : x
  2. Step 2: Convert to fraction form
    1,090,999.10/1,636,756.14 = 343,045.10/x
  3. Step 3: Cross multiply
    1,090,999.10x = 1,636,756.14 × 343,045.10
  4. Step 4: Simplify right side
    1,090,999.10x = 561,481,173,721.91
  5. Step 5: Solve for x
    x = 561,481,173,721.91/1,090,999.10
  6. Step 6: Final answer
    x = 514,648.61

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1.5x scale

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.