Home / 1,072,869.09-1,480,569.40-589,444.28

Finding the Fourth Proportional to 1,072,869.09, 1,480,569.40 and 589,444.28

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Solution

The fourth proportional to 1,072,869.09, 1,480,569.40 and 589,444.28 is: 813,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,869.09 : 1,480,569.40 = 589,444.28 : x
  2. Step 2: Convert to fraction form
    1,072,869.09/1,480,569.40 = 589,444.28/x
  3. Step 3: Cross multiply
    1,072,869.09x = 1,480,569.40 × 589,444.28
  4. Step 4: Simplify right side
    1,072,869.09x = 872,713,163,973.03
  5. Step 5: Solve for x
    x = 872,713,163,973.03/1,072,869.09
  6. Step 6: Final answer
    x = 813,438.63

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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.