Home / 1,372,205.70-2,056,558.95-660,701.70

Finding the Fourth Proportional to 1,372,205.70, 2,056,558.95 and 660,701.70

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Solution

The fourth proportional to 1,372,205.70, 2,056,558.95 and 660,701.70 is: 990,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,205.70 : 2,056,558.95 = 660,701.70 : x
  2. Step 2: Convert to fraction form
    1,372,205.70/2,056,558.95 = 660,701.70/x
  3. Step 3: Cross multiply
    1,372,205.70x = 2,056,558.95 × 660,701.70
  4. Step 4: Simplify right side
    1,372,205.70x = 1,358,771,994,415.21
  5. Step 5: Solve for x
    x = 1,358,771,994,415.21/1,372,205.70
  6. Step 6: Final answer
    x = 990,210.14

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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.