Home / 1,223,980.83-1,823,669.23-1,155,224.32

Finding the Fourth Proportional to 1,223,980.83, 1,823,669.23 and 1,155,224.32

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Solution

The fourth proportional to 1,223,980.83, 1,823,669.23 and 1,155,224.32 is: 1,721,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,980.83 : 1,823,669.23 = 1,155,224.32 : x
  2. Step 2: Convert to fraction form
    1,223,980.83/1,823,669.23 = 1,155,224.32/x
  3. Step 3: Cross multiply
    1,223,980.83x = 1,823,669.23 × 1,155,224.32
  4. Step 4: Simplify right side
    1,223,980.83x = 2,106,747,046,131.67
  5. Step 5: Solve for x
    x = 2,106,747,046,131.67/1,223,980.83
  6. Step 6: Final answer
    x = 1,721,225.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.