Home / 1,352,804.72-1,862,621.52-1,148,432

Finding the Fourth Proportional to 1,352,804.72, 1,862,621.52 and 1,148,432

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Solution

The fourth proportional to 1,352,804.72, 1,862,621.52 and 1,148,432 is: 1,581,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,804.72 : 1,862,621.52 = 1,148,432 : x
  2. Step 2: Convert to fraction form
    1,352,804.72/1,862,621.52 = 1,148,432/x
  3. Step 3: Cross multiply
    1,352,804.72x = 1,862,621.52 × 1,148,432
  4. Step 4: Simplify right side
    1,352,804.72x = 2,139,094,157,456.64
  5. Step 5: Solve for x
    x = 2,139,094,157,456.64/1,352,804.72
  6. Step 6: Final answer
    x = 1,581,229.08

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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.