Home / 1,272,623.30-1,908,935.40-374,065.20

Finding the Fourth Proportional to 1,272,623.30, 1,908,935.40 and 374,065.20

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Solution

The fourth proportional to 1,272,623.30, 1,908,935.40 and 374,065.20 is: 561,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,623.30 : 1,908,935.40 = 374,065.20 : x
  2. Step 2: Convert to fraction form
    1,272,623.30/1,908,935.40 = 374,065.20/x
  3. Step 3: Cross multiply
    1,272,623.30x = 1,908,935.40 × 374,065.20
  4. Step 4: Simplify right side
    1,272,623.30x = 714,066,302,188.08
  5. Step 5: Solve for x
    x = 714,066,302,188.08/1,272,623.30
  6. Step 6: Final answer
    x = 561,097.93

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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.