Home / 1,210,706.16-1,816,163.73-312,140.16

Finding the Fourth Proportional to 1,210,706.16, 1,816,163.73 and 312,140.16

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Solution

The fourth proportional to 1,210,706.16, 1,816,163.73 and 312,140.16 is: 468,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,706.16 : 1,816,163.73 = 312,140.16 : x
  2. Step 2: Convert to fraction form
    1,210,706.16/1,816,163.73 = 312,140.16/x
  3. Step 3: Cross multiply
    1,210,706.16x = 1,816,163.73 × 312,140.16
  4. Step 4: Simplify right side
    1,210,706.16x = 566,897,637,268.40
  5. Step 5: Solve for x
    x = 566,897,637,268.40/1,210,706.16
  6. Step 6: Final answer
    x = 468,237.18

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1.5x scale

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.