Home / 1,588,038.73-2,380,718.72-688,803.10

Finding the Fourth Proportional to 1,588,038.73, 2,380,718.72 and 688,803.10

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Solution

The fourth proportional to 1,588,038.73, 2,380,718.72 and 688,803.10 is: 1,032,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,038.73 : 2,380,718.72 = 688,803.10 : x
  2. Step 2: Convert to fraction form
    1,588,038.73/2,380,718.72 = 688,803.10/x
  3. Step 3: Cross multiply
    1,588,038.73x = 2,380,718.72 × 688,803.10
  4. Step 4: Simplify right side
    1,588,038.73x = 1,639,846,431,120.02
  5. Step 5: Solve for x
    x = 1,639,846,431,120.02/1,588,038.73
  6. Step 6: Final answer
    x = 1,032,623.70

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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.