Home / 1,426,693.50-1,967,255.79-909,628.38

Finding the Fourth Proportional to 1,426,693.50, 1,967,255.79 and 909,628.38

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Solution

The fourth proportional to 1,426,693.50, 1,967,255.79 and 909,628.38 is: 1,254,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,693.50 : 1,967,255.79 = 909,628.38 : x
  2. Step 2: Convert to fraction form
    1,426,693.50/1,967,255.79 = 909,628.38/x
  3. Step 3: Cross multiply
    1,426,693.50x = 1,967,255.79 × 909,628.38
  4. Step 4: Simplify right side
    1,426,693.50x = 1,789,471,697,303.32
  5. Step 5: Solve for x
    x = 1,789,471,697,303.32/1,426,693.50
  6. Step 6: Final answer
    x = 1,254,279.00

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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.