Home / 1,182,376.17-1,631,944.89-774,240.98

Finding the Fourth Proportional to 1,182,376.17, 1,631,944.89 and 774,240.98

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Solution

The fourth proportional to 1,182,376.17, 1,631,944.89 and 774,240.98 is: 1,068,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,376.17 : 1,631,944.89 = 774,240.98 : x
  2. Step 2: Convert to fraction form
    1,182,376.17/1,631,944.89 = 774,240.98/x
  3. Step 3: Cross multiply
    1,182,376.17x = 1,631,944.89 × 774,240.98
  4. Step 4: Simplify right side
    1,182,376.17x = 1,263,518,602,779.87
  5. Step 5: Solve for x
    x = 1,263,518,602,779.87/1,182,376.17
  6. Step 6: Final answer
    x = 1,068,626.58

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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.