Home / 1,118,784.62-1,678,218.50-360,637.02

Finding the Fourth Proportional to 1,118,784.62, 1,678,218.50 and 360,637.02

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Solution

The fourth proportional to 1,118,784.62, 1,678,218.50 and 360,637.02 is: 540,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,784.62 : 1,678,218.50 = 360,637.02 : x
  2. Step 2: Convert to fraction form
    1,118,784.62/1,678,218.50 = 360,637.02/x
  3. Step 3: Cross multiply
    1,118,784.62x = 1,678,218.50 × 360,637.02
  4. Step 4: Simplify right side
    1,118,784.62x = 605,227,718,748.87
  5. Step 5: Solve for x
    x = 605,227,718,748.87/1,118,784.62
  6. Step 6: Final answer
    x = 540,968.93

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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.