Home / 1,105,313.84-1,525,322.30-615,275.58

Finding the Fourth Proportional to 1,105,313.84, 1,525,322.30 and 615,275.58

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Solution

The fourth proportional to 1,105,313.84, 1,525,322.30 and 615,275.58 is: 849,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,313.84 : 1,525,322.30 = 615,275.58 : x
  2. Step 2: Convert to fraction form
    1,105,313.84/1,525,322.30 = 615,275.58/x
  3. Step 3: Cross multiply
    1,105,313.84x = 1,525,322.30 × 615,275.58
  4. Step 4: Simplify right side
    1,105,313.84x = 938,493,559,743.06
  5. Step 5: Solve for x
    x = 938,493,559,743.06/1,105,313.84
  6. Step 6: Final answer
    x = 849,074.29

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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.