Home / 1,330,509.60-1,995,375.60-477,482.40

Finding the Fourth Proportional to 1,330,509.60, 1,995,375.60 and 477,482.40

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Solution

The fourth proportional to 1,330,509.60, 1,995,375.60 and 477,482.40 is: 716,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,509.60 : 1,995,375.60 = 477,482.40 : x
  2. Step 2: Convert to fraction form
    1,330,509.60/1,995,375.60 = 477,482.40/x
  3. Step 3: Cross multiply
    1,330,509.60x = 1,995,375.60 × 477,482.40
  4. Step 4: Simplify right side
    1,330,509.60x = 952,756,730,389.44
  5. Step 5: Solve for x
    x = 952,756,730,389.44/1,330,509.60
  6. Step 6: Final answer
    x = 716,084.07

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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.