Home / 1,530,490.08-2,111,505.84-957,312.48

Finding the Fourth Proportional to 1,530,490.08, 2,111,505.84 and 957,312.48

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Solution

The fourth proportional to 1,530,490.08, 2,111,505.84 and 957,312.48 is: 1,320,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,490.08 : 2,111,505.84 = 957,312.48 : x
  2. Step 2: Convert to fraction form
    1,530,490.08/2,111,505.84 = 957,312.48/x
  3. Step 3: Cross multiply
    1,530,490.08x = 2,111,505.84 × 957,312.48
  4. Step 4: Simplify right side
    1,530,490.08x = 2,021,370,892,224.88
  5. Step 5: Solve for x
    x = 2,021,370,892,224.88/1,530,490.08
  6. Step 6: Final answer
    x = 1,320,734.40

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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.