Home / 1,223,356.30-1,835,034.45-908,428.30

Finding the Fourth Proportional to 1,223,356.30, 1,835,034.45 and 908,428.30

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Solution

The fourth proportional to 1,223,356.30, 1,835,034.45 and 908,428.30 is: 1,362,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,356.30 : 1,835,034.45 = 908,428.30 : x
  2. Step 2: Convert to fraction form
    1,223,356.30/1,835,034.45 = 908,428.30/x
  3. Step 3: Cross multiply
    1,223,356.30x = 1,835,034.45 × 908,428.30
  4. Step 4: Simplify right side
    1,223,356.30x = 1,666,997,225,854.94
  5. Step 5: Solve for x
    x = 1,666,997,225,854.94/1,223,356.30
  6. Step 6: Final answer
    x = 1,362,642.45

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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.