Home / 1,237,030.72-1,706,090.29-870,720.48

Finding the Fourth Proportional to 1,237,030.72, 1,706,090.29 and 870,720.48

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Solution

The fourth proportional to 1,237,030.72, 1,706,090.29 and 870,720.48 is: 1,200,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,030.72 : 1,706,090.29 = 870,720.48 : x
  2. Step 2: Convert to fraction form
    1,237,030.72/1,706,090.29 = 870,720.48/x
  3. Step 3: Cross multiply
    1,237,030.72x = 1,706,090.29 × 870,720.48
  4. Step 4: Simplify right side
    1,237,030.72x = 1,485,527,757,697.63
  5. Step 5: Solve for x
    x = 1,485,527,757,697.63/1,237,030.72
  6. Step 6: Final answer
    x = 1,200,881.86

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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.