Home / 970,946.09-1,340,479.72-863,218.06

Finding the Fourth Proportional to 970,946.09, 1,340,479.72 and 863,218.06

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Solution

The fourth proportional to 970,946.09, 1,340,479.72 and 863,218.06 is: 1,191,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,946.09 : 1,340,479.72 = 863,218.06 : x
  2. Step 2: Convert to fraction form
    970,946.09/1,340,479.72 = 863,218.06/x
  3. Step 3: Cross multiply
    970,946.09x = 1,340,479.72 × 863,218.06
  4. Step 4: Simplify right side
    970,946.09x = 1,157,126,301,095.57
  5. Step 5: Solve for x
    x = 1,157,126,301,095.57/970,946.09
  6. Step 6: Final answer
    x = 1,191,751.34

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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.