Home / 1,197,090.76-1,650,490.98-766,663.24

Finding the Fourth Proportional to 1,197,090.76, 1,650,490.98 and 766,663.24

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Solution

The fourth proportional to 1,197,090.76, 1,650,490.98 and 766,663.24 is: 1,057,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,090.76 : 1,650,490.98 = 766,663.24 : x
  2. Step 2: Convert to fraction form
    1,197,090.76/1,650,490.98 = 766,663.24/x
  3. Step 3: Cross multiply
    1,197,090.76x = 1,650,490.98 × 766,663.24
  4. Step 4: Simplify right side
    1,197,090.76x = 1,265,370,762,317.58
  5. Step 5: Solve for x
    x = 1,265,370,762,317.58/1,197,090.76
  6. Step 6: Final answer
    x = 1,057,038.28

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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.