Home / 1,150,353.80-1,725,530.70-947,400.20

Finding the Fourth Proportional to 1,150,353.80, 1,725,530.70 and 947,400.20

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Solution

The fourth proportional to 1,150,353.80, 1,725,530.70 and 947,400.20 is: 1,421,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,353.80 : 1,725,530.70 = 947,400.20 : x
  2. Step 2: Convert to fraction form
    1,150,353.80/1,725,530.70 = 947,400.20/x
  3. Step 3: Cross multiply
    1,150,353.80x = 1,725,530.70 × 947,400.20
  4. Step 4: Simplify right side
    1,150,353.80x = 1,634,768,130,286.14
  5. Step 5: Solve for x
    x = 1,634,768,130,286.14/1,150,353.80
  6. Step 6: Final answer
    x = 1,421,100.30

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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.