Home / 1,328,783.32-1,833,780.60-748,206.10

Finding the Fourth Proportional to 1,328,783.32, 1,833,780.60 and 748,206.10

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Solution

The fourth proportional to 1,328,783.32, 1,833,780.60 and 748,206.10 is: 1,032,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,783.32 : 1,833,780.60 = 748,206.10 : x
  2. Step 2: Convert to fraction form
    1,328,783.32/1,833,780.60 = 748,206.10/x
  3. Step 3: Cross multiply
    1,328,783.32x = 1,833,780.60 × 748,206.10
  4. Step 4: Simplify right side
    1,328,783.32x = 1,372,045,830,981.66
  5. Step 5: Solve for x
    x = 1,372,045,830,981.66/1,328,783.32
  6. Step 6: Final answer
    x = 1,032,557.99

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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.