Home / 1,445,953.83-1,995,416.47-801,415.63

Finding the Fourth Proportional to 1,445,953.83, 1,995,416.47 and 801,415.63

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Solution

The fourth proportional to 1,445,953.83, 1,995,416.47 and 801,415.63 is: 1,105,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,953.83 : 1,995,416.47 = 801,415.63 : x
  2. Step 2: Convert to fraction form
    1,445,953.83/1,995,416.47 = 801,415.63/x
  3. Step 3: Cross multiply
    1,445,953.83x = 1,995,416.47 × 801,415.63
  4. Step 4: Simplify right side
    1,445,953.83x = 1,599,157,947,417.43
  5. Step 5: Solve for x
    x = 1,599,157,947,417.43/1,445,953.83
  6. Step 6: Final answer
    x = 1,105,953.67

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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.