Home / 1,357,980.48-1,874,005.56-737,780.40

Finding the Fourth Proportional to 1,357,980.48, 1,874,005.56 and 737,780.40

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Solution

The fourth proportional to 1,357,980.48, 1,874,005.56 and 737,780.40 is: 1,018,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,980.48 : 1,874,005.56 = 737,780.40 : x
  2. Step 2: Convert to fraction form
    1,357,980.48/1,874,005.56 = 737,780.40/x
  3. Step 3: Cross multiply
    1,357,980.48x = 1,874,005.56 × 737,780.40
  4. Step 4: Simplify right side
    1,357,980.48x = 1,382,604,571,659.02
  5. Step 5: Solve for x
    x = 1,382,604,571,659.02/1,357,980.48
  6. Step 6: Final answer
    x = 1,018,132.88

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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.