Home / 1,145,290.34-1,718,156.95-435,263.02

Finding the Fourth Proportional to 1,145,290.34, 1,718,156.95 and 435,263.02

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Solution

The fourth proportional to 1,145,290.34, 1,718,156.95 and 435,263.02 is: 652,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,290.34 : 1,718,156.95 = 435,263.02 : x
  2. Step 2: Convert to fraction form
    1,145,290.34/1,718,156.95 = 435,263.02/x
  3. Step 3: Cross multiply
    1,145,290.34x = 1,718,156.95 × 435,263.02
  4. Step 4: Simplify right side
    1,145,290.34x = 747,850,183,134.41
  5. Step 5: Solve for x
    x = 747,850,183,134.41/1,145,290.34
  6. Step 6: Final answer
    x = 652,978.69

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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.