Home / 1,043,503.20-1,567,155.60-912,866.40

Finding the Fourth Proportional to 1,043,503.20, 1,567,155.60 and 912,866.40

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Solution

The fourth proportional to 1,043,503.20, 1,567,155.60 and 912,866.40 is: 1,370,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,503.20 : 1,567,155.60 = 912,866.40 : x
  2. Step 2: Convert to fraction form
    1,043,503.20/1,567,155.60 = 912,866.40/x
  3. Step 3: Cross multiply
    1,043,503.20x = 1,567,155.60 × 912,866.40
  4. Step 4: Simplify right side
    1,043,503.20x = 1,430,603,690,811.84
  5. Step 5: Solve for x
    x = 1,430,603,690,811.84/1,043,503.20
  6. Step 6: Final answer
    x = 1,370,962.44

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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.