Home / 1,207,054.20-1,810,970.10-808,145.40

Finding the Fourth Proportional to 1,207,054.20, 1,810,970.10 and 808,145.40

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Solution

The fourth proportional to 1,207,054.20, 1,810,970.10 and 808,145.40 is: 1,212,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,054.20 : 1,810,970.10 = 808,145.40 : x
  2. Step 2: Convert to fraction form
    1,207,054.20/1,810,970.10 = 808,145.40/x
  3. Step 3: Cross multiply
    1,207,054.20x = 1,810,970.10 × 808,145.40
  4. Step 4: Simplify right side
    1,207,054.20x = 1,463,527,155,852.54
  5. Step 5: Solve for x
    x = 1,463,527,155,852.54/1,207,054.20
  6. Step 6: Final answer
    x = 1,212,478.41

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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.