Home / 1,285,709.04-1,928,884.95-907,368.30

Finding the Fourth Proportional to 1,285,709.04, 1,928,884.95 and 907,368.30

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Solution

The fourth proportional to 1,285,709.04, 1,928,884.95 and 907,368.30 is: 1,361,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,709.04 : 1,928,884.95 = 907,368.30 : x
  2. Step 2: Convert to fraction form
    1,285,709.04/1,928,884.95 = 907,368.30/x
  3. Step 3: Cross multiply
    1,285,709.04x = 1,928,884.95 × 907,368.30
  4. Step 4: Simplify right side
    1,285,709.04x = 1,750,209,057,977.09
  5. Step 5: Solve for x
    x = 1,750,209,057,977.09/1,285,709.04
  6. Step 6: Final answer
    x = 1,361,279.27

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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.