Home / 1,292,248.42-1,783,302.87-719,276.32

Finding the Fourth Proportional to 1,292,248.42, 1,783,302.87 and 719,276.32

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Solution

The fourth proportional to 1,292,248.42, 1,783,302.87 and 719,276.32 is: 992,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,248.42 : 1,783,302.87 = 719,276.32 : x
  2. Step 2: Convert to fraction form
    1,292,248.42/1,783,302.87 = 719,276.32/x
  3. Step 3: Cross multiply
    1,292,248.42x = 1,783,302.87 × 719,276.32
  4. Step 4: Simplify right side
    1,292,248.42x = 1,282,687,525,779.04
  5. Step 5: Solve for x
    x = 1,282,687,525,779.04/1,292,248.42
  6. Step 6: Final answer
    x = 992,601.35

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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.