Home / 1,600,978.50-2,209,367.79-875,810.64

Finding the Fourth Proportional to 1,600,978.50, 2,209,367.79 and 875,810.64

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Solution

The fourth proportional to 1,600,978.50, 2,209,367.79 and 875,810.64 is: 1,208,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,978.50 : 2,209,367.79 = 875,810.64 : x
  2. Step 2: Convert to fraction form
    1,600,978.50/2,209,367.79 = 875,810.64/x
  3. Step 3: Cross multiply
    1,600,978.50x = 2,209,367.79 × 875,810.64
  4. Step 4: Simplify right side
    1,600,978.50x = 1,934,987,818,155.29
  5. Step 5: Solve for x
    x = 1,934,987,818,155.29/1,600,978.50
  6. Step 6: Final answer
    x = 1,208,628.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.