Home / 1,318,897.42-1,820,111.04-738,116.01

Finding the Fourth Proportional to 1,318,897.42, 1,820,111.04 and 738,116.01

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Solution

The fourth proportional to 1,318,897.42, 1,820,111.04 and 738,116.01 is: 1,018,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,897.42 : 1,820,111.04 = 738,116.01 : x
  2. Step 2: Convert to fraction form
    1,318,897.42/1,820,111.04 = 738,116.01/x
  3. Step 3: Cross multiply
    1,318,897.42x = 1,820,111.04 × 738,116.01
  4. Step 4: Simplify right side
    1,318,897.42x = 1,343,453,098,601.75
  5. Step 5: Solve for x
    x = 1,343,453,098,601.75/1,318,897.42
  6. Step 6: Final answer
    x = 1,018,618.34

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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.