Home / 1,535,364.89-2,302,378.47-815,549.07

Finding the Fourth Proportional to 1,535,364.89, 2,302,378.47 and 815,549.07

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Solution

The fourth proportional to 1,535,364.89, 2,302,378.47 and 815,549.07 is: 1,222,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,364.89 : 2,302,378.47 = 815,549.07 : x
  2. Step 2: Convert to fraction form
    1,535,364.89/2,302,378.47 = 815,549.07/x
  3. Step 3: Cross multiply
    1,535,364.89x = 2,302,378.47 × 815,549.07
  4. Step 4: Simplify right side
    1,535,364.89x = 1,877,702,619,996.52
  5. Step 5: Solve for x
    x = 1,877,702,619,996.52/1,535,364.89
  6. Step 6: Final answer
    x = 1,222,968.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.