Home / 1,072,763.36-1,480,428.60-589,373.18

Finding the Fourth Proportional to 1,072,763.36, 1,480,428.60 and 589,373.18

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Solution

The fourth proportional to 1,072,763.36, 1,480,428.60 and 589,373.18 is: 813,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,763.36 : 1,480,428.60 = 589,373.18 : x
  2. Step 2: Convert to fraction form
    1,072,763.36/1,480,428.60 = 589,373.18/x
  3. Step 3: Cross multiply
    1,072,763.36x = 1,480,428.60 × 589,373.18
  4. Step 4: Simplify right side
    1,072,763.36x = 872,524,911,744.95
  5. Step 5: Solve for x
    x = 872,524,911,744.95/1,072,763.36
  6. Step 6: Final answer
    x = 813,343.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.