Home / 1,007,217.98-1,390,061.22-752,126.30

Finding the Fourth Proportional to 1,007,217.98, 1,390,061.22 and 752,126.30

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Solution

The fourth proportional to 1,007,217.98, 1,390,061.22 and 752,126.30 is: 1,038,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,217.98 : 1,390,061.22 = 752,126.30 : x
  2. Step 2: Convert to fraction form
    1,007,217.98/1,390,061.22 = 752,126.30/x
  3. Step 3: Cross multiply
    1,007,217.98x = 1,390,061.22 × 752,126.30
  4. Step 4: Simplify right side
    1,007,217.98x = 1,045,501,602,172.09
  5. Step 5: Solve for x
    x = 1,045,501,602,172.09/1,007,217.98
  6. Step 6: Final answer
    x = 1,038,009.27

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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.