Home / 1,112,130.37-1,534,698.75-602,821.81

Finding the Fourth Proportional to 1,112,130.37, 1,534,698.75 and 602,821.81

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Solution

The fourth proportional to 1,112,130.37, 1,534,698.75 and 602,821.81 is: 831,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,130.37 : 1,534,698.75 = 602,821.81 : x
  2. Step 2: Convert to fraction form
    1,112,130.37/1,534,698.75 = 602,821.81/x
  3. Step 3: Cross multiply
    1,112,130.37x = 1,534,698.75 × 602,821.81
  4. Step 4: Simplify right side
    1,112,130.37x = 925,149,878,279.74
  5. Step 5: Solve for x
    x = 925,149,878,279.74/1,112,130.37
  6. Step 6: Final answer
    x = 831,871.79

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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.