Home / 1,403,917.06-2,105,875.62-457,287.76

Finding the Fourth Proportional to 1,403,917.06, 2,105,875.62 and 457,287.76

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Solution

The fourth proportional to 1,403,917.06, 2,105,875.62 and 457,287.76 is: 685,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,917.06 : 2,105,875.62 = 457,287.76 : x
  2. Step 2: Convert to fraction form
    1,403,917.06/2,105,875.62 = 457,287.76/x
  3. Step 3: Cross multiply
    1,403,917.06x = 2,105,875.62 × 457,287.76
  4. Step 4: Simplify right side
    1,403,917.06x = 962,991,145,108.41
  5. Step 5: Solve for x
    x = 962,991,145,108.41/1,403,917.06
  6. Step 6: Final answer
    x = 685,931.65

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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.