Home / 1,038,980.81-1,558,471.12-526,566.14

Finding the Fourth Proportional to 1,038,980.81, 1,558,471.12 and 526,566.14

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Solution

The fourth proportional to 1,038,980.81, 1,558,471.12 and 526,566.14 is: 789,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,980.81 : 1,558,471.12 = 526,566.14 : x
  2. Step 2: Convert to fraction form
    1,038,980.81/1,558,471.12 = 526,566.14/x
  3. Step 3: Cross multiply
    1,038,980.81x = 1,558,471.12 × 526,566.14
  4. Step 4: Simplify right side
    1,038,980.81x = 820,638,111,534.69
  5. Step 5: Solve for x
    x = 820,638,111,534.69/1,038,980.81
  6. Step 6: Final answer
    x = 789,849.15

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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.