Home / 1,047,459.47-1,571,158.02-289,346.39

Finding the Fourth Proportional to 1,047,459.47, 1,571,158.02 and 289,346.39

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Solution

The fourth proportional to 1,047,459.47, 1,571,158.02 and 289,346.39 is: 434,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,459.47 : 1,571,158.02 = 289,346.39 : x
  2. Step 2: Convert to fraction form
    1,047,459.47/1,571,158.02 = 289,346.39/x
  3. Step 3: Cross multiply
    1,047,459.47x = 1,571,158.02 × 289,346.39
  4. Step 4: Simplify right side
    1,047,459.47x = 454,608,905,134.44
  5. Step 5: Solve for x
    x = 454,608,905,134.44/1,047,459.47
  6. Step 6: Final answer
    x = 434,010.98

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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.