Home / 1,161,235.31-1,742,423.65-521,990.71

Finding the Fourth Proportional to 1,161,235.31, 1,742,423.65 and 521,990.71

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Solution

The fourth proportional to 1,161,235.31, 1,742,423.65 and 521,990.71 is: 783,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,235.31 : 1,742,423.65 = 521,990.71 : x
  2. Step 2: Convert to fraction form
    1,161,235.31/1,742,423.65 = 521,990.71/x
  3. Step 3: Cross multiply
    1,161,235.31x = 1,742,423.65 × 521,990.71
  4. Step 4: Simplify right side
    1,161,235.31x = 909,528,952,523.26
  5. Step 5: Solve for x
    x = 909,528,952,523.26/1,161,235.31
  6. Step 6: Final answer
    x = 783,242.59

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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.