Home / 1,152,554.02-1,590,732.74-687,437.71

Finding the Fourth Proportional to 1,152,554.02, 1,590,732.74 and 687,437.71

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Solution

The fourth proportional to 1,152,554.02, 1,590,732.74 and 687,437.71 is: 948,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,554.02 : 1,590,732.74 = 687,437.71 : x
  2. Step 2: Convert to fraction form
    1,152,554.02/1,590,732.74 = 687,437.71/x
  3. Step 3: Cross multiply
    1,152,554.02x = 1,590,732.74 × 687,437.71
  4. Step 4: Simplify right side
    1,152,554.02x = 1,093,529,672,007.63
  5. Step 5: Solve for x
    x = 1,093,529,672,007.63/1,152,554.02
  6. Step 6: Final answer
    x = 948,788.22

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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.