Home / 1,315,374.20-1,973,310.08-417,042.08

Finding the Fourth Proportional to 1,315,374.20, 1,973,310.08 and 417,042.08

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Solution

The fourth proportional to 1,315,374.20, 1,973,310.08 and 417,042.08 is: 625,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,374.20 : 1,973,310.08 = 417,042.08 : x
  2. Step 2: Convert to fraction form
    1,315,374.20/1,973,310.08 = 417,042.08/x
  3. Step 3: Cross multiply
    1,315,374.20x = 1,973,310.08 × 417,042.08
  4. Step 4: Simplify right side
    1,315,374.20x = 822,953,340,248.17
  5. Step 5: Solve for x
    x = 822,953,340,248.17/1,315,374.20
  6. Step 6: Final answer
    x = 625,642.00

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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.