Home / 1,400,683.19-2,101,680.95-690,323.72

Finding the Fourth Proportional to 1,400,683.19, 2,101,680.95 and 690,323.72

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Solution

The fourth proportional to 1,400,683.19, 2,101,680.95 and 690,323.72 is: 1,035,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,683.19 : 2,101,680.95 = 690,323.72 : x
  2. Step 2: Convert to fraction form
    1,400,683.19/2,101,680.95 = 690,323.72/x
  3. Step 3: Cross multiply
    1,400,683.19x = 2,101,680.95 × 690,323.72
  4. Step 4: Simplify right side
    1,400,683.19x = 1,450,840,197,697.11
  5. Step 5: Solve for x
    x = 1,450,840,197,697.11/1,400,683.19
  6. Step 6: Final answer
    x = 1,035,808.96

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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.