Home / 1,097,135.16-1,514,980.98-689,918.46

Finding the Fourth Proportional to 1,097,135.16, 1,514,980.98 and 689,918.46

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Solution

The fourth proportional to 1,097,135.16, 1,514,980.98 and 689,918.46 is: 952,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,135.16 : 1,514,980.98 = 689,918.46 : x
  2. Step 2: Convert to fraction form
    1,097,135.16/1,514,980.98 = 689,918.46/x
  3. Step 3: Cross multiply
    1,097,135.16x = 1,514,980.98 × 689,918.46
  4. Step 4: Simplify right side
    1,097,135.16x = 1,045,213,344,650.89
  5. Step 5: Solve for x
    x = 1,045,213,344,650.89/1,097,135.16
  6. Step 6: Final answer
    x = 952,675.10

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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.