Home / 1,330,478.10-1,995,328.35-477,450.90

Finding the Fourth Proportional to 1,330,478.10, 1,995,328.35 and 477,450.90

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Solution

The fourth proportional to 1,330,478.10, 1,995,328.35 and 477,450.90 is: 716,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,478.10 : 1,995,328.35 = 477,450.90 : x
  2. Step 2: Convert to fraction form
    1,330,478.10/1,995,328.35 = 477,450.90/x
  3. Step 3: Cross multiply
    1,330,478.10x = 1,995,328.35 × 477,450.90
  4. Step 4: Simplify right side
    1,330,478.10x = 952,671,316,503.02
  5. Step 5: Solve for x
    x = 952,671,316,503.02/1,330,478.10
  6. Step 6: Final answer
    x = 716,036.83

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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.