Home / 1,139,210.30-1,708,465.52-539,994.18

Finding the Fourth Proportional to 1,139,210.30, 1,708,465.52 and 539,994.18

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Solution

The fourth proportional to 1,139,210.30, 1,708,465.52 and 539,994.18 is: 809,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,210.30 : 1,708,465.52 = 539,994.18 : x
  2. Step 2: Convert to fraction form
    1,139,210.30/1,708,465.52 = 539,994.18/x
  3. Step 3: Cross multiply
    1,139,210.30x = 1,708,465.52 × 539,994.18
  4. Step 4: Simplify right side
    1,139,210.30x = 922,561,437,530.67
  5. Step 5: Solve for x
    x = 922,561,437,530.67/1,139,210.30
  6. Step 6: Final answer
    x = 809,825.40

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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.