Home / 1,354,880.76-1,869,761.10-742,994.76

Finding the Fourth Proportional to 1,354,880.76, 1,869,761.10 and 742,994.76

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Solution

The fourth proportional to 1,354,880.76, 1,869,761.10 and 742,994.76 is: 1,025,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,880.76 : 1,869,761.10 = 742,994.76 : x
  2. Step 2: Convert to fraction form
    1,354,880.76/1,869,761.10 = 742,994.76/x
  3. Step 3: Cross multiply
    1,354,880.76x = 1,869,761.10 × 742,994.76
  4. Step 4: Simplify right side
    1,354,880.76x = 1,389,222,699,751.84
  5. Step 5: Solve for x
    x = 1,389,222,699,751.84/1,354,880.76
  6. Step 6: Final answer
    x = 1,025,346.84

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1.5x scale

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.