Home / 1,315,430.11-1,973,200.02-416,851.96

Finding the Fourth Proportional to 1,315,430.11, 1,973,200.02 and 416,851.96

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Solution

The fourth proportional to 1,315,430.11, 1,973,200.02 and 416,851.96 is: 625,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,430.11 : 1,973,200.02 = 416,851.96 : x
  2. Step 2: Convert to fraction form
    1,315,430.11/1,973,200.02 = 416,851.96/x
  3. Step 3: Cross multiply
    1,315,430.11x = 1,973,200.02 × 416,851.96
  4. Step 4: Simplify right side
    1,315,430.11x = 822,532,295,809.04
  5. Step 5: Solve for x
    x = 822,532,295,809.04/1,315,430.11
  6. Step 6: Final answer
    x = 625,295.32

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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.