Home / 915,514.40-1,373,271.60-899,962.40

Finding the Fourth Proportional to 915,514.40, 1,373,271.60 and 899,962.40

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Solution

The fourth proportional to 915,514.40, 1,373,271.60 and 899,962.40 is: 1,349,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,514.40 : 1,373,271.60 = 899,962.40 : x
  2. Step 2: Convert to fraction form
    915,514.40/1,373,271.60 = 899,962.40/x
  3. Step 3: Cross multiply
    915,514.40x = 1,373,271.60 × 899,962.40
  4. Step 4: Simplify right side
    915,514.40x = 1,235,892,804,987.84
  5. Step 5: Solve for x
    x = 1,235,892,804,987.84/915,514.40
  6. Step 6: Final answer
    x = 1,349,943.60

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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.