Home / 1,042,390.40-1,563,585.60-984,329.60

Finding the Fourth Proportional to 1,042,390.40, 1,563,585.60 and 984,329.60

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Solution

The fourth proportional to 1,042,390.40, 1,563,585.60 and 984,329.60 is: 1,476,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,390.40 : 1,563,585.60 = 984,329.60 : x
  2. Step 2: Convert to fraction form
    1,042,390.40/1,563,585.60 = 984,329.60/x
  3. Step 3: Cross multiply
    1,042,390.40x = 1,563,585.60 × 984,329.60
  4. Step 4: Simplify right side
    1,042,390.40x = 1,539,083,588,213.76
  5. Step 5: Solve for x
    x = 1,539,083,588,213.76/1,042,390.40
  6. Step 6: Final answer
    x = 1,476,494.40

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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.