Home / 1,152,430.95-1,728,632.52-299,427.12

Finding the Fourth Proportional to 1,152,430.95, 1,728,632.52 and 299,427.12

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Solution

The fourth proportional to 1,152,430.95, 1,728,632.52 and 299,427.12 is: 449,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,430.95 : 1,728,632.52 = 299,427.12 : x
  2. Step 2: Convert to fraction form
    1,152,430.95/1,728,632.52 = 299,427.12/x
  3. Step 3: Cross multiply
    1,152,430.95x = 1,728,632.52 × 299,427.12
  4. Step 4: Simplify right side
    1,152,430.95x = 517,599,457,001.94
  5. Step 5: Solve for x
    x = 517,599,457,001.94/1,152,430.95
  6. Step 6: Final answer
    x = 449,137.07

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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.