Home / 1,355,037.54-1,869,951.60-751,425.54

Finding the Fourth Proportional to 1,355,037.54, 1,869,951.60 and 751,425.54

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Solution

The fourth proportional to 1,355,037.54, 1,869,951.60 and 751,425.54 is: 1,036,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,037.54 : 1,869,951.60 = 751,425.54 : x
  2. Step 2: Convert to fraction form
    1,355,037.54/1,869,951.60 = 751,425.54/x
  3. Step 3: Cross multiply
    1,355,037.54x = 1,869,951.60 × 751,425.54
  4. Step 4: Simplify right side
    1,355,037.54x = 1,405,129,390,803.86
  5. Step 5: Solve for x
    x = 1,405,129,390,803.86/1,355,037.54
  6. Step 6: Final answer
    x = 1,036,967.13

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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.