Home / 1,265,810.78-1,746,820.77-692,887.16

Finding the Fourth Proportional to 1,265,810.78, 1,746,820.77 and 692,887.16

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Solution

The fourth proportional to 1,265,810.78, 1,746,820.77 and 692,887.16 is: 956,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,810.78 : 1,746,820.77 = 692,887.16 : x
  2. Step 2: Convert to fraction form
    1,265,810.78/1,746,820.77 = 692,887.16/x
  3. Step 3: Cross multiply
    1,265,810.78x = 1,746,820.77 × 692,887.16
  4. Step 4: Simplify right side
    1,265,810.78x = 1,210,349,682,354.31
  5. Step 5: Solve for x
    x = 1,210,349,682,354.31/1,265,810.78
  6. Step 6: Final answer
    x = 956,185.32

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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.