Home / 1,141,804.80-1,712,966.40-668,246.40

Finding the Fourth Proportional to 1,141,804.80, 1,712,966.40 and 668,246.40

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Solution

The fourth proportional to 1,141,804.80, 1,712,966.40 and 668,246.40 is: 1,002,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,804.80 : 1,712,966.40 = 668,246.40 : x
  2. Step 2: Convert to fraction form
    1,141,804.80/1,712,966.40 = 668,246.40/x
  3. Step 3: Cross multiply
    1,141,804.80x = 1,712,966.40 × 668,246.40
  4. Step 4: Simplify right side
    1,141,804.80x = 1,144,683,630,120.96
  5. Step 5: Solve for x
    x = 1,144,683,630,120.96/1,141,804.80
  6. Step 6: Final answer
    x = 1,002,521.30

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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.