Home / 1,393,430.72-2,091,076.32-506,966.72

Finding the Fourth Proportional to 1,393,430.72, 2,091,076.32 and 506,966.72

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Solution

The fourth proportional to 1,393,430.72, 2,091,076.32 and 506,966.72 is: 760,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,430.72 : 2,091,076.32 = 506,966.72 : x
  2. Step 2: Convert to fraction form
    1,393,430.72/2,091,076.32 = 506,966.72/x
  3. Step 3: Cross multiply
    1,393,430.72x = 2,091,076.32 × 506,966.72
  4. Step 4: Simplify right side
    1,393,430.72x = 1,060,106,103,220.07
  5. Step 5: Solve for x
    x = 1,060,106,103,220.07/1,393,430.72
  6. Step 6: Final answer
    x = 760,788.53

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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.