Home / 1,153,264.32-1,730,295.84-479,709.12

Finding the Fourth Proportional to 1,153,264.32, 1,730,295.84 and 479,709.12

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Solution

The fourth proportional to 1,153,264.32, 1,730,295.84 and 479,709.12 is: 719,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,264.32 : 1,730,295.84 = 479,709.12 : x
  2. Step 2: Convert to fraction form
    1,153,264.32/1,730,295.84 = 479,709.12/x
  3. Step 3: Cross multiply
    1,153,264.32x = 1,730,295.84 × 479,709.12
  4. Step 4: Simplify right side
    1,153,264.32x = 830,038,694,746.06
  5. Step 5: Solve for x
    x = 830,038,694,746.06/1,153,264.32
  6. Step 6: Final answer
    x = 719,729.80

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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.