Home / 1,284,503.40-1,927,046.70-751,750.20

Finding the Fourth Proportional to 1,284,503.40, 1,927,046.70 and 751,750.20

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Solution

The fourth proportional to 1,284,503.40, 1,927,046.70 and 751,750.20 is: 1,127,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,503.40 : 1,927,046.70 = 751,750.20 : x
  2. Step 2: Convert to fraction form
    1,284,503.40/1,927,046.70 = 751,750.20/x
  3. Step 3: Cross multiply
    1,284,503.40x = 1,927,046.70 × 751,750.20
  4. Step 4: Simplify right side
    1,284,503.40x = 1,448,657,742,134.34
  5. Step 5: Solve for x
    x = 1,448,657,742,134.34/1,284,503.40
  6. Step 6: Final answer
    x = 1,127,795.96

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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.