Home / 1,047,100.28-1,445,060.12-788,521.02

Finding the Fourth Proportional to 1,047,100.28, 1,445,060.12 and 788,521.02

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Solution

The fourth proportional to 1,047,100.28, 1,445,060.12 and 788,521.02 is: 1,088,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,100.28 : 1,445,060.12 = 788,521.02 : x
  2. Step 2: Convert to fraction form
    1,047,100.28/1,445,060.12 = 788,521.02/x
  3. Step 3: Cross multiply
    1,047,100.28x = 1,445,060.12 × 788,521.02
  4. Step 4: Simplify right side
    1,047,100.28x = 1,139,460,275,841.12
  5. Step 5: Solve for x
    x = 1,139,460,275,841.12/1,047,100.28
  6. Step 6: Final answer
    x = 1,088,205.49

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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.