Home / 1,292,051.23-1,783,000.37-719,079.10

Finding the Fourth Proportional to 1,292,051.23, 1,783,000.37 and 719,079.10

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Solution

The fourth proportional to 1,292,051.23, 1,783,000.37 and 719,079.10 is: 992,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,051.23 : 1,783,000.37 = 719,079.10 : x
  2. Step 2: Convert to fraction form
    1,292,051.23/1,783,000.37 = 719,079.10/x
  3. Step 3: Cross multiply
    1,292,051.23x = 1,783,000.37 × 719,079.10
  4. Step 4: Simplify right side
    1,292,051.23x = 1,282,118,304,684.02
  5. Step 5: Solve for x
    x = 1,282,118,304,684.02/1,292,051.23
  6. Step 6: Final answer
    x = 992,312.28

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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.