Home / 1,145,779.92-1,718,670.52-435,643.92

Finding the Fourth Proportional to 1,145,779.92, 1,718,670.52 and 435,643.92

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Solution

The fourth proportional to 1,145,779.92, 1,718,670.52 and 435,643.92 is: 653,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,779.92 : 1,718,670.52 = 435,643.92 : x
  2. Step 2: Convert to fraction form
    1,145,779.92/1,718,670.52 = 435,643.92/x
  3. Step 3: Cross multiply
    1,145,779.92x = 1,718,670.52 × 435,643.92
  4. Step 4: Simplify right side
    1,145,779.92x = 748,728,362,521.24
  5. Step 5: Solve for x
    x = 748,728,362,521.24/1,145,779.92
  6. Step 6: Final answer
    x = 653,466.12

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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.