Home / 1,132,612.92-1,698,917.64-776,547.48

Finding the Fourth Proportional to 1,132,612.92, 1,698,917.64 and 776,547.48

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Solution

The fourth proportional to 1,132,612.92, 1,698,917.64 and 776,547.48 is: 1,164,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,612.92 : 1,698,917.64 = 776,547.48 : x
  2. Step 2: Convert to fraction form
    1,132,612.92/1,698,917.64 = 776,547.48/x
  3. Step 3: Cross multiply
    1,132,612.92x = 1,698,917.64 × 776,547.48
  4. Step 4: Simplify right side
    1,132,612.92x = 1,319,290,212,069.55
  5. Step 5: Solve for x
    x = 1,319,290,212,069.55/1,132,612.92
  6. Step 6: Final answer
    x = 1,164,820.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.