Home / 1,128,783.02-1,693,649.53-702,675.50

Finding the Fourth Proportional to 1,128,783.02, 1,693,649.53 and 702,675.50

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Solution

The fourth proportional to 1,128,783.02, 1,693,649.53 and 702,675.50 is: 1,054,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,783.02 : 1,693,649.53 = 702,675.50 : x
  2. Step 2: Convert to fraction form
    1,128,783.02/1,693,649.53 = 702,675.50/x
  3. Step 3: Cross multiply
    1,128,783.02x = 1,693,649.53 × 702,675.50
  4. Step 4: Simplify right side
    1,128,783.02x = 1,190,086,030,317.52
  5. Step 5: Solve for x
    x = 1,190,086,030,317.52/1,128,783.02
  6. Step 6: Final answer
    x = 1,054,308.94

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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.