Home / 1,410,749.04-2,115,840.60-690,780.60

Finding the Fourth Proportional to 1,410,749.04, 2,115,840.60 and 690,780.60

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Solution

The fourth proportional to 1,410,749.04, 2,115,840.60 and 690,780.60 is: 1,036,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,749.04 : 2,115,840.60 = 690,780.60 : x
  2. Step 2: Convert to fraction form
    1,410,749.04/2,115,840.60 = 690,780.60/x
  3. Step 3: Cross multiply
    1,410,749.04x = 2,115,840.60 × 690,780.60
  4. Step 4: Simplify right side
    1,410,749.04x = 1,461,581,639,172.36
  5. Step 5: Solve for x
    x = 1,461,581,639,172.36/1,410,749.04
  6. Step 6: Final answer
    x = 1,036,032.35

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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.