Home / 1,424,850.66-1,966,296.79-771,483.80

Finding the Fourth Proportional to 1,424,850.66, 1,966,296.79 and 771,483.80

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Solution

The fourth proportional to 1,424,850.66, 1,966,296.79 and 771,483.80 is: 1,064,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,850.66 : 1,966,296.79 = 771,483.80 : x
  2. Step 2: Convert to fraction form
    1,424,850.66/1,966,296.79 = 771,483.80/x
  3. Step 3: Cross multiply
    1,424,850.66x = 1,966,296.79 × 771,483.80
  4. Step 4: Simplify right side
    1,424,850.66x = 1,516,966,105,788.10
  5. Step 5: Solve for x
    x = 1,516,966,105,788.10/1,424,850.66
  6. Step 6: Final answer
    x = 1,064,649.20

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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.