Home / 903,646.65-1,355,420.09-660,736.65

Finding the Fourth Proportional to 903,646.65, 1,355,420.09 and 660,736.65

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Solution

The fourth proportional to 903,646.65, 1,355,420.09 and 660,736.65 is: 991,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,646.65 : 1,355,420.09 = 660,736.65 : x
  2. Step 2: Convert to fraction form
    903,646.65/1,355,420.09 = 660,736.65/x
  3. Step 3: Cross multiply
    903,646.65x = 1,355,420.09 × 660,736.65
  4. Step 4: Simplify right side
    903,646.65x = 895,575,729,609.30
  5. Step 5: Solve for x
    x = 895,575,729,609.30/903,646.65
  6. Step 6: Final answer
    x = 991,068.50

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1.5x scale

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.