Home / 1,229,445-1,843,051.18-430,290.60

Finding the Fourth Proportional to 1,229,445, 1,843,051.18 and 430,290.60

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Solution

The fourth proportional to 1,229,445, 1,843,051.18 and 430,290.60 is: 645,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,445 : 1,843,051.18 = 430,290.60 : x
  2. Step 2: Convert to fraction form
    1,229,445/1,843,051.18 = 430,290.60/x
  3. Step 3: Cross multiply
    1,229,445x = 1,843,051.18 × 430,290.60
  4. Step 4: Simplify right side
    1,229,445x = 793,047,598,072.91
  5. Step 5: Solve for x
    x = 793,047,598,072.91/1,229,445
  6. Step 6: Final answer
    x = 645,045.20

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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.