Home / 1,142,864.13-1,575,975.59-798,574.60

Finding the Fourth Proportional to 1,142,864.13, 1,575,975.59 and 798,574.60

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Solution

The fourth proportional to 1,142,864.13, 1,575,975.59 and 798,574.60 is: 1,101,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,864.13 : 1,575,975.59 = 798,574.60 : x
  2. Step 2: Convert to fraction form
    1,142,864.13/1,575,975.59 = 798,574.60/x
  3. Step 3: Cross multiply
    1,142,864.13x = 1,575,975.59 × 798,574.60
  4. Step 4: Simplify right side
    1,142,864.13x = 1,258,534,068,500.90
  5. Step 5: Solve for x
    x = 1,258,534,068,500.90/1,142,864.13
  6. Step 6: Final answer
    x = 1,101,210.57

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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.