Home / 1,157,334.40-1,736,001.60-947,209.60

Finding the Fourth Proportional to 1,157,334.40, 1,736,001.60 and 947,209.60

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Solution

The fourth proportional to 1,157,334.40, 1,736,001.60 and 947,209.60 is: 1,420,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,334.40 : 1,736,001.60 = 947,209.60 : x
  2. Step 2: Convert to fraction form
    1,157,334.40/1,736,001.60 = 947,209.60/x
  3. Step 3: Cross multiply
    1,157,334.40x = 1,736,001.60 × 947,209.60
  4. Step 4: Simplify right side
    1,157,334.40x = 1,644,357,381,135.36
  5. Step 5: Solve for x
    x = 1,644,357,381,135.36/1,157,334.40
  6. Step 6: Final answer
    x = 1,420,814.40

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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.