Home / 1,574,430.10-2,362,811.55-628,479.70

Finding the Fourth Proportional to 1,574,430.10, 2,362,811.55 and 628,479.70

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Solution

The fourth proportional to 1,574,430.10, 2,362,811.55 and 628,479.70 is: 943,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,430.10 : 2,362,811.55 = 628,479.70 : x
  2. Step 2: Convert to fraction form
    1,574,430.10/2,362,811.55 = 628,479.70/x
  3. Step 3: Cross multiply
    1,574,430.10x = 2,362,811.55 × 628,479.70
  4. Step 4: Simplify right side
    1,574,430.10x = 1,484,979,094,100.53
  5. Step 5: Solve for x
    x = 1,484,979,094,100.53/1,574,430.10
  6. Step 6: Final answer
    x = 943,185.15

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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.