Home / 1,424,880.56-1,966,320.38-771,495.32

Finding the Fourth Proportional to 1,424,880.56, 1,966,320.38 and 771,495.32

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Solution

The fourth proportional to 1,424,880.56, 1,966,320.38 and 771,495.32 is: 1,064,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,880.56 : 1,966,320.38 = 771,495.32 : x
  2. Step 2: Convert to fraction form
    1,424,880.56/1,966,320.38 = 771,495.32/x
  3. Step 3: Cross multiply
    1,424,880.56x = 1,966,320.38 × 771,495.32
  4. Step 4: Simplify right side
    1,424,880.56x = 1,517,006,970,790.62
  5. Step 5: Solve for x
    x = 1,517,006,970,790.62/1,424,880.56
  6. Step 6: Final answer
    x = 1,064,655.53

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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.