Home / 1,063,980.60-1,596,042.90-432,905.40

Finding the Fourth Proportional to 1,063,980.60, 1,596,042.90 and 432,905.40

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Solution

The fourth proportional to 1,063,980.60, 1,596,042.90 and 432,905.40 is: 649,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,980.60 : 1,596,042.90 = 432,905.40 : x
  2. Step 2: Convert to fraction form
    1,063,980.60/1,596,042.90 = 432,905.40/x
  3. Step 3: Cross multiply
    1,063,980.60x = 1,596,042.90 × 432,905.40
  4. Step 4: Simplify right side
    1,063,980.60x = 690,935,590,041.66
  5. Step 5: Solve for x
    x = 690,935,590,041.66/1,063,980.60
  6. Step 6: Final answer
    x = 649,387.39

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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.