Home / 1,337,643.60-2,006,465.40-859,346.70

Finding the Fourth Proportional to 1,337,643.60, 2,006,465.40 and 859,346.70

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Solution

The fourth proportional to 1,337,643.60, 2,006,465.40 and 859,346.70 is: 1,289,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,643.60 : 2,006,465.40 = 859,346.70 : x
  2. Step 2: Convert to fraction form
    1,337,643.60/2,006,465.40 = 859,346.70/x
  3. Step 3: Cross multiply
    1,337,643.60x = 2,006,465.40 × 859,346.70
  4. Step 4: Simplify right side
    1,337,643.60x = 1,724,249,420,154.18
  5. Step 5: Solve for x
    x = 1,724,249,420,154.18/1,337,643.60
  6. Step 6: Final answer
    x = 1,289,020.05

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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.