Home / 1,047,435.84-1,445,596.32-639,452.16

Finding the Fourth Proportional to 1,047,435.84, 1,445,596.32 and 639,452.16

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Solution

The fourth proportional to 1,047,435.84, 1,445,596.32 and 639,452.16 is: 882,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,435.84 : 1,445,596.32 = 639,452.16 : x
  2. Step 2: Convert to fraction form
    1,047,435.84/1,445,596.32 = 639,452.16/x
  3. Step 3: Cross multiply
    1,047,435.84x = 1,445,596.32 × 639,452.16
  4. Step 4: Simplify right side
    1,047,435.84x = 924,389,689,312.05
  5. Step 5: Solve for x
    x = 924,389,689,312.05/1,047,435.84
  6. Step 6: Final answer
    x = 882,526.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.