Home / 1,503,089.46-2,255,007.06-438,140.34

Finding the Fourth Proportional to 1,503,089.46, 2,255,007.06 and 438,140.34

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Solution

The fourth proportional to 1,503,089.46, 2,255,007.06 and 438,140.34 is: 657,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,089.46 : 2,255,007.06 = 438,140.34 : x
  2. Step 2: Convert to fraction form
    1,503,089.46/2,255,007.06 = 438,140.34/x
  3. Step 3: Cross multiply
    1,503,089.46x = 2,255,007.06 × 438,140.34
  4. Step 4: Simplify right side
    1,503,089.46x = 988,009,559,970.80
  5. Step 5: Solve for x
    x = 988,009,559,970.80/1,503,089.46
  6. Step 6: Final answer
    x = 657,319.20

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1.5x scale

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.