Home / 1,389,565.53-2,082,903.21-537,222.60

Finding the Fourth Proportional to 1,389,565.53, 2,082,903.21 and 537,222.60

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Solution

The fourth proportional to 1,389,565.53, 2,082,903.21 and 537,222.60 is: 805,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,565.53 : 2,082,903.21 = 537,222.60 : x
  2. Step 2: Convert to fraction form
    1,389,565.53/2,082,903.21 = 537,222.60/x
  3. Step 3: Cross multiply
    1,389,565.53x = 2,082,903.21 × 537,222.60
  4. Step 4: Simplify right side
    1,389,565.53x = 1,118,982,685,393.65
  5. Step 5: Solve for x
    x = 1,118,982,685,393.65/1,389,565.53
  6. Step 6: Final answer
    x = 805,275.22

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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.