Home / 1,142,427.78-1,715,776.10-1,005,699.36

Finding the Fourth Proportional to 1,142,427.78, 1,715,776.10 and 1,005,699.36

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Solution

The fourth proportional to 1,142,427.78, 1,715,776.10 and 1,005,699.36 is: 1,510,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,427.78 : 1,715,776.10 = 1,005,699.36 : x
  2. Step 2: Convert to fraction form
    1,142,427.78/1,715,776.10 = 1,005,699.36/x
  3. Step 3: Cross multiply
    1,142,427.78x = 1,715,776.10 × 1,005,699.36
  4. Step 4: Simplify right side
    1,142,427.78x = 1,725,554,927,078.96
  5. Step 5: Solve for x
    x = 1,725,554,927,078.96/1,142,427.78
  6. Step 6: Final answer
    x = 1,510,428.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.