Home / 1,009,749.93-1,514,612.84-290,109.35

Finding the Fourth Proportional to 1,009,749.93, 1,514,612.84 and 290,109.35

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Solution

The fourth proportional to 1,009,749.93, 1,514,612.84 and 290,109.35 is: 435,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,749.93 : 1,514,612.84 = 290,109.35 : x
  2. Step 2: Convert to fraction form
    1,009,749.93/1,514,612.84 = 290,109.35/x
  3. Step 3: Cross multiply
    1,009,749.93x = 1,514,612.84 × 290,109.35
  4. Step 4: Simplify right side
    1,009,749.93x = 439,403,337,490.44
  5. Step 5: Solve for x
    x = 439,403,337,490.44/1,009,749.93
  6. Step 6: Final answer
    x = 435,160.55

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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.