Home / 1,574,645.70-2,361,968.55-437,405.70

Finding the Fourth Proportional to 1,574,645.70, 2,361,968.55 and 437,405.70

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Solution

The fourth proportional to 1,574,645.70, 2,361,968.55 and 437,405.70 is: 656,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,645.70 : 2,361,968.55 = 437,405.70 : x
  2. Step 2: Convert to fraction form
    1,574,645.70/2,361,968.55 = 437,405.70/x
  3. Step 3: Cross multiply
    1,574,645.70x = 2,361,968.55 × 437,405.70
  4. Step 4: Simplify right side
    1,574,645.70x = 1,033,138,506,990.74
  5. Step 5: Solve for x
    x = 1,033,138,506,990.74/1,574,645.70
  6. Step 6: Final answer
    x = 656,108.55

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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.