Home / 1,453,164.02-2,180,236.05-643,437.89

Finding the Fourth Proportional to 1,453,164.02, 2,180,236.05 and 643,437.89

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Solution

The fourth proportional to 1,453,164.02, 2,180,236.05 and 643,437.89 is: 965,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,164.02 : 2,180,236.05 = 643,437.89 : x
  2. Step 2: Convert to fraction form
    1,453,164.02/2,180,236.05 = 643,437.89/x
  3. Step 3: Cross multiply
    1,453,164.02x = 2,180,236.05 × 643,437.89
  4. Step 4: Simplify right side
    1,453,164.02x = 1,402,846,480,988.64
  5. Step 5: Solve for x
    x = 1,402,846,480,988.64/1,453,164.02
  6. Step 6: Final answer
    x = 965,373.81

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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.