Home / 1,303,155.07-1,798,365.92-722,384.46

Finding the Fourth Proportional to 1,303,155.07, 1,798,365.92 and 722,384.46

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Solution

The fourth proportional to 1,303,155.07, 1,798,365.92 and 722,384.46 is: 996,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,155.07 : 1,798,365.92 = 722,384.46 : x
  2. Step 2: Convert to fraction form
    1,303,155.07/1,798,365.92 = 722,384.46/x
  3. Step 3: Cross multiply
    1,303,155.07x = 1,798,365.92 × 722,384.46
  4. Step 4: Simplify right side
    1,303,155.07x = 1,299,111,590,389.68
  5. Step 5: Solve for x
    x = 1,299,111,590,389.68/1,303,155.07
  6. Step 6: Final answer
    x = 996,897.16

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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.