Home / 1,237,031.22-1,706,090.98-870,720.98

Finding the Fourth Proportional to 1,237,031.22, 1,706,090.98 and 870,720.98

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Solution

The fourth proportional to 1,237,031.22, 1,706,090.98 and 870,720.98 is: 1,200,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,031.22 : 1,706,090.98 = 870,720.98 : x
  2. Step 2: Convert to fraction form
    1,237,031.22/1,706,090.98 = 870,720.98/x
  3. Step 3: Cross multiply
    1,237,031.22x = 1,706,090.98 × 870,720.98
  4. Step 4: Simplify right side
    1,237,031.22x = 1,485,529,210,074.76
  5. Step 5: Solve for x
    x = 1,485,529,210,074.76/1,237,031.22
  6. Step 6: Final answer
    x = 1,200,882.55

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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.