Home / 1,480,542.16-2,220,812.96-807,189.70

Finding the Fourth Proportional to 1,480,542.16, 2,220,812.96 and 807,189.70

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Solution

The fourth proportional to 1,480,542.16, 2,220,812.96 and 807,189.70 is: 1,210,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,542.16 : 2,220,812.96 = 807,189.70 : x
  2. Step 2: Convert to fraction form
    1,480,542.16/2,220,812.96 = 807,189.70/x
  3. Step 3: Cross multiply
    1,480,542.16x = 2,220,812.96 × 807,189.70
  4. Step 4: Simplify right side
    1,480,542.16x = 1,792,617,346,938.51
  5. Step 5: Solve for x
    x = 1,792,617,346,938.51/1,480,542.16
  6. Step 6: Final answer
    x = 1,210,784.40

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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.