Home / 1,303,085.33-1,798,256.48-730,129.60

Finding the Fourth Proportional to 1,303,085.33, 1,798,256.48 and 730,129.60

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Solution

The fourth proportional to 1,303,085.33, 1,798,256.48 and 730,129.60 is: 1,007,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,085.33 : 1,798,256.48 = 730,129.60 : x
  2. Step 2: Convert to fraction form
    1,303,085.33/1,798,256.48 = 730,129.60/x
  3. Step 3: Cross multiply
    1,303,085.33x = 1,798,256.48 × 730,129.60
  4. Step 4: Simplify right side
    1,303,085.33x = 1,312,960,275,448.53
  5. Step 5: Solve for x
    x = 1,312,960,275,448.53/1,303,085.33
  6. Step 6: Final answer
    x = 1,007,578.13

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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.