Home / 1,070,774.28-1,477,714.73-640,971.36

Finding the Fourth Proportional to 1,070,774.28, 1,477,714.73 and 640,971.36

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Solution

The fourth proportional to 1,070,774.28, 1,477,714.73 and 640,971.36 is: 884,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,774.28 : 1,477,714.73 = 640,971.36 : x
  2. Step 2: Convert to fraction form
    1,070,774.28/1,477,714.73 = 640,971.36/x
  3. Step 3: Cross multiply
    1,070,774.28x = 1,477,714.73 × 640,971.36
  4. Step 4: Simplify right side
    1,070,774.28x = 947,172,816,975.28
  5. Step 5: Solve for x
    x = 947,172,816,975.28/1,070,774.28
  6. Step 6: Final answer
    x = 884,568.14

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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.