Home / 921,808.30-1,272,682.59-752,445.10

Finding the Fourth Proportional to 921,808.30, 1,272,682.59 and 752,445.10

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Solution

The fourth proportional to 921,808.30, 1,272,682.59 and 752,445.10 is: 1,038,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,808.30 : 1,272,682.59 = 752,445.10 : x
  2. Step 2: Convert to fraction form
    921,808.30/1,272,682.59 = 752,445.10/x
  3. Step 3: Cross multiply
    921,808.30x = 1,272,682.59 × 752,445.10
  4. Step 4: Simplify right side
    921,808.30x = 957,623,778,700.81
  5. Step 5: Solve for x
    x = 957,623,778,700.81/921,808.30
  6. Step 6: Final answer
    x = 1,038,853.50

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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.