Home / 1,205,561.55-1,808,657.48-699,636.18

Finding the Fourth Proportional to 1,205,561.55, 1,808,657.48 and 699,636.18

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Solution

The fourth proportional to 1,205,561.55, 1,808,657.48 and 699,636.18 is: 1,049,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,561.55 : 1,808,657.48 = 699,636.18 : x
  2. Step 2: Convert to fraction form
    1,205,561.55/1,808,657.48 = 699,636.18/x
  3. Step 3: Cross multiply
    1,205,561.55x = 1,808,657.48 × 699,636.18
  4. Step 4: Simplify right side
    1,205,561.55x = 1,265,402,210,235.63
  5. Step 5: Solve for x
    x = 1,265,402,210,235.63/1,205,561.55
  6. Step 6: Final answer
    x = 1,049,637.17

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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.