Home / 1,155,842.80-1,594,365.60-763,378.16

Finding the Fourth Proportional to 1,155,842.80, 1,594,365.60 and 763,378.16

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Solution

The fourth proportional to 1,155,842.80, 1,594,365.60 and 763,378.16 is: 1,053,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,842.80 : 1,594,365.60 = 763,378.16 : x
  2. Step 2: Convert to fraction form
    1,155,842.80/1,594,365.60 = 763,378.16/x
  3. Step 3: Cross multiply
    1,155,842.80x = 1,594,365.60 × 763,378.16
  4. Step 4: Simplify right side
    1,155,842.80x = 1,217,103,878,095.30
  5. Step 5: Solve for x
    x = 1,217,103,878,095.30/1,155,842.80
  6. Step 6: Final answer
    x = 1,053,001.22

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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.