Home / 1,207,374.10-1,811,061.15-808,465.30

Finding the Fourth Proportional to 1,207,374.10, 1,811,061.15 and 808,465.30

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Solution

The fourth proportional to 1,207,374.10, 1,811,061.15 and 808,465.30 is: 1,212,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,374.10 : 1,811,061.15 = 808,465.30 : x
  2. Step 2: Convert to fraction form
    1,207,374.10/1,811,061.15 = 808,465.30/x
  3. Step 3: Cross multiply
    1,207,374.10x = 1,811,061.15 × 808,465.30
  4. Step 4: Simplify right side
    1,207,374.10x = 1,464,180,095,953.10
  5. Step 5: Solve for x
    x = 1,464,180,095,953.10/1,207,374.10
  6. Step 6: Final answer
    x = 1,212,697.95

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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.