Home / 1,374,883.02-1,896,475.52-815,681.50

Finding the Fourth Proportional to 1,374,883.02, 1,896,475.52 and 815,681.50

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Solution

The fourth proportional to 1,374,883.02, 1,896,475.52 and 815,681.50 is: 1,125,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,883.02 : 1,896,475.52 = 815,681.50 : x
  2. Step 2: Convert to fraction form
    1,374,883.02/1,896,475.52 = 815,681.50/x
  3. Step 3: Cross multiply
    1,374,883.02x = 1,896,475.52 × 815,681.50
  4. Step 4: Simplify right side
    1,374,883.02x = 1,546,919,994,164.90
  5. Step 5: Solve for x
    x = 1,546,919,994,164.90/1,374,883.02
  6. Step 6: Final answer
    x = 1,125,128.44

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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.