Home / 1,123,763.60-1,686,228.60-492,741.20

Finding the Fourth Proportional to 1,123,763.60, 1,686,228.60 and 492,741.20

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Solution

The fourth proportional to 1,123,763.60, 1,686,228.60 and 492,741.20 is: 739,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,763.60 : 1,686,228.60 = 492,741.20 : x
  2. Step 2: Convert to fraction form
    1,123,763.60/1,686,228.60 = 492,741.20/x
  3. Step 3: Cross multiply
    1,123,763.60x = 1,686,228.60 × 492,741.20
  4. Step 4: Simplify right side
    1,123,763.60x = 830,874,303,838.32
  5. Step 5: Solve for x
    x = 830,874,303,838.32/1,123,763.60
  6. Step 6: Final answer
    x = 739,367.52

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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.