Home / 1,379,095.80-2,068,643.70-670,507.80

Finding the Fourth Proportional to 1,379,095.80, 2,068,643.70 and 670,507.80

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Solution

The fourth proportional to 1,379,095.80, 2,068,643.70 and 670,507.80 is: 1,005,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,095.80 : 2,068,643.70 = 670,507.80 : x
  2. Step 2: Convert to fraction form
    1,379,095.80/2,068,643.70 = 670,507.80/x
  3. Step 3: Cross multiply
    1,379,095.80x = 2,068,643.70 × 670,507.80
  4. Step 4: Simplify right side
    1,379,095.80x = 1,387,041,736,270.86
  5. Step 5: Solve for x
    x = 1,387,041,736,270.86/1,379,095.80
  6. Step 6: Final answer
    x = 1,005,761.70

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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.