Home / 1,318,787.43-1,820,024.40-738,068.76

Finding the Fourth Proportional to 1,318,787.43, 1,820,024.40 and 738,068.76

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Solution

The fourth proportional to 1,318,787.43, 1,820,024.40 and 738,068.76 is: 1,018,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,787.43 : 1,820,024.40 = 738,068.76 : x
  2. Step 2: Convert to fraction form
    1,318,787.43/1,820,024.40 = 738,068.76/x
  3. Step 3: Cross multiply
    1,318,787.43x = 1,820,024.40 × 738,068.76
  4. Step 4: Simplify right side
    1,318,787.43x = 1,343,303,152,077.74
  5. Step 5: Solve for x
    x = 1,343,303,152,077.74/1,318,787.43
  6. Step 6: Final answer
    x = 1,018,589.59

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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.