Home / 1,574,429.60-2,362,810.80-628,479.20

Finding the Fourth Proportional to 1,574,429.60, 2,362,810.80 and 628,479.20

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Solution

The fourth proportional to 1,574,429.60, 2,362,810.80 and 628,479.20 is: 943,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,429.60 : 2,362,810.80 = 628,479.20 : x
  2. Step 2: Convert to fraction form
    1,574,429.60/2,362,810.80 = 628,479.20/x
  3. Step 3: Cross multiply
    1,574,429.60x = 2,362,810.80 × 628,479.20
  4. Step 4: Simplify right side
    1,574,429.60x = 1,484,977,441,335.36
  5. Step 5: Solve for x
    x = 1,484,977,441,335.36/1,574,429.60
  6. Step 6: Final answer
    x = 943,184.40

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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.