Home / 989,559.02-1,364,747.54-760,670.84

Finding the Fourth Proportional to 989,559.02, 1,364,747.54 and 760,670.84

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Solution

The fourth proportional to 989,559.02, 1,364,747.54 and 760,670.84 is: 1,049,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,559.02 : 1,364,747.54 = 760,670.84 : x
  2. Step 2: Convert to fraction form
    989,559.02/1,364,747.54 = 760,670.84/x
  3. Step 3: Cross multiply
    989,559.02x = 1,364,747.54 × 760,670.84
  4. Step 4: Simplify right side
    989,559.02x = 1,038,123,657,639.73
  5. Step 5: Solve for x
    x = 1,038,123,657,639.73/989,559.02
  6. Step 6: Final answer
    x = 1,049,077.05

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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.