Home / 1,036,398.70-1,556,930.85-1,008,405.10

Finding the Fourth Proportional to 1,036,398.70, 1,556,930.85 and 1,008,405.10

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Solution

The fourth proportional to 1,036,398.70, 1,556,930.85 and 1,008,405.10 is: 1,514,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,398.70 : 1,556,930.85 = 1,008,405.10 : x
  2. Step 2: Convert to fraction form
    1,036,398.70/1,556,930.85 = 1,008,405.10/x
  3. Step 3: Cross multiply
    1,036,398.70x = 1,556,930.85 × 1,008,405.10
  4. Step 4: Simplify right side
    1,036,398.70x = 1,570,017,009,487.34
  5. Step 5: Solve for x
    x = 1,570,017,009,487.34/1,036,398.70
  6. Step 6: Final answer
    x = 1,514,877.44

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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.