Home / 1,038,980.31-1,558,470.37-526,565.63

Finding the Fourth Proportional to 1,038,980.31, 1,558,470.37 and 526,565.63

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Solution

The fourth proportional to 1,038,980.31, 1,558,470.37 and 526,565.63 is: 789,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,980.31 : 1,558,470.37 = 526,565.63 : x
  2. Step 2: Convert to fraction form
    1,038,980.31/1,558,470.37 = 526,565.63/x
  3. Step 3: Cross multiply
    1,038,980.31x = 1,558,470.37 × 526,565.63
  4. Step 4: Simplify right side
    1,038,980.31x = 820,636,934,795.15
  5. Step 5: Solve for x
    x = 820,636,934,795.15/1,038,980.31
  6. Step 6: Final answer
    x = 789,848.40

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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.