Home / 1,437,366.40-2,157,604.80-807,510.40

Finding the Fourth Proportional to 1,437,366.40, 2,157,604.80 and 807,510.40

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Solution

The fourth proportional to 1,437,366.40, 2,157,604.80 and 807,510.40 is: 1,212,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,366.40 : 2,157,604.80 = 807,510.40 : x
  2. Step 2: Convert to fraction form
    1,437,366.40/2,157,604.80 = 807,510.40/x
  3. Step 3: Cross multiply
    1,437,366.40x = 2,157,604.80 × 807,510.40
  4. Step 4: Simplify right side
    1,437,366.40x = 1,742,288,315,089.92
  5. Step 5: Solve for x
    x = 1,742,288,315,089.92/1,437,366.40
  6. Step 6: Final answer
    x = 1,212,139.31

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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.