Home / 1,108,315.83-1,662,473.67-509,780.40

Finding the Fourth Proportional to 1,108,315.83, 1,662,473.67 and 509,780.40

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Solution

The fourth proportional to 1,108,315.83, 1,662,473.67 and 509,780.40 is: 764,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,315.83 : 1,662,473.67 = 509,780.40 : x
  2. Step 2: Convert to fraction form
    1,108,315.83/1,662,473.67 = 509,780.40/x
  3. Step 3: Cross multiply
    1,108,315.83x = 1,662,473.67 × 509,780.40
  4. Step 4: Simplify right side
    1,108,315.83x = 847,496,492,482.07
  5. Step 5: Solve for x
    x = 847,496,492,482.07/1,108,315.83
  6. Step 6: Final answer
    x = 764,670.57

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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.