Home / 1,424,878.34-1,966,317.35-771,493.16

Finding the Fourth Proportional to 1,424,878.34, 1,966,317.35 and 771,493.16

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Solution

The fourth proportional to 1,424,878.34, 1,966,317.35 and 771,493.16 is: 1,064,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,878.34 : 1,966,317.35 = 771,493.16 : x
  2. Step 2: Convert to fraction form
    1,424,878.34/1,966,317.35 = 771,493.16/x
  3. Step 3: Cross multiply
    1,424,878.34x = 1,966,317.35 × 771,493.16
  4. Step 4: Simplify right side
    1,424,878.34x = 1,517,000,372,225.27
  5. Step 5: Solve for x
    x = 1,517,000,372,225.27/1,424,878.34
  6. Step 6: Final answer
    x = 1,064,652.56

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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.