Home / 1,041,489.95-1,559,712.51-720,743.31

Finding the Fourth Proportional to 1,041,489.95, 1,559,712.51 and 720,743.31

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Solution

The fourth proportional to 1,041,489.95, 1,559,712.51 and 720,743.31 is: 1,079,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,489.95 : 1,559,712.51 = 720,743.31 : x
  2. Step 2: Convert to fraction form
    1,041,489.95/1,559,712.51 = 720,743.31/x
  3. Step 3: Cross multiply
    1,041,489.95x = 1,559,712.51 × 720,743.31
  4. Step 4: Simplify right side
    1,041,489.95x = 1,124,152,357,105.81
  5. Step 5: Solve for x
    x = 1,124,152,357,105.81/1,041,489.95
  6. Step 6: Final answer
    x = 1,079,369.38

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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.