Home / 1,345,911.03-1,857,037.76-765,088.26

Finding the Fourth Proportional to 1,345,911.03, 1,857,037.76 and 765,088.26

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Solution

The fourth proportional to 1,345,911.03, 1,857,037.76 and 765,088.26 is: 1,055,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,911.03 : 1,857,037.76 = 765,088.26 : x
  2. Step 2: Convert to fraction form
    1,345,911.03/1,857,037.76 = 765,088.26/x
  3. Step 3: Cross multiply
    1,345,911.03x = 1,857,037.76 × 765,088.26
  4. Step 4: Simplify right side
    1,345,911.03x = 1,420,797,779,267.51
  5. Step 5: Solve for x
    x = 1,420,797,779,267.51/1,345,911.03
  6. Step 6: Final answer
    x = 1,055,640.19

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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.