Home / 1,439,642.67-2,157,803.25-540,510.94

Finding the Fourth Proportional to 1,439,642.67, 2,157,803.25 and 540,510.94

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Solution

The fourth proportional to 1,439,642.67, 2,157,803.25 and 540,510.94 is: 810,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,642.67 : 2,157,803.25 = 540,510.94 : x
  2. Step 2: Convert to fraction form
    1,439,642.67/2,157,803.25 = 540,510.94/x
  3. Step 3: Cross multiply
    1,439,642.67x = 2,157,803.25 × 540,510.94
  4. Step 4: Simplify right side
    1,439,642.67x = 1,166,316,266,703.27
  5. Step 5: Solve for x
    x = 1,166,316,266,703.27/1,439,642.67
  6. Step 6: Final answer
    x = 810,142.89

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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.