Home / 1,072,645-1,480,248.42-589,210.12

Finding the Fourth Proportional to 1,072,645, 1,480,248.42 and 589,210.12

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Solution

The fourth proportional to 1,072,645, 1,480,248.42 and 589,210.12 is: 813,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,645 : 1,480,248.42 = 589,210.12 : x
  2. Step 2: Convert to fraction form
    1,072,645/1,480,248.42 = 589,210.12/x
  3. Step 3: Cross multiply
    1,072,645x = 1,480,248.42 × 589,210.12
  4. Step 4: Simplify right side
    1,072,645x = 872,177,349,178.01
  5. Step 5: Solve for x
    x = 872,177,349,178.01/1,072,645
  6. Step 6: Final answer
    x = 813,109.04

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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.