Home / 1,084,829.60-1,627,244.40-686,698.40

Finding the Fourth Proportional to 1,084,829.60, 1,627,244.40 and 686,698.40

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Solution

The fourth proportional to 1,084,829.60, 1,627,244.40 and 686,698.40 is: 1,030,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,829.60 : 1,627,244.40 = 686,698.40 : x
  2. Step 2: Convert to fraction form
    1,084,829.60/1,627,244.40 = 686,698.40/x
  3. Step 3: Cross multiply
    1,084,829.60x = 1,627,244.40 × 686,698.40
  4. Step 4: Simplify right side
    1,084,829.60x = 1,117,426,125,888.96
  5. Step 5: Solve for x
    x = 1,117,426,125,888.96/1,084,829.60
  6. Step 6: Final answer
    x = 1,030,047.60

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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.