Home / 1,434,838.46-1,980,166.95-790,258.50

Finding the Fourth Proportional to 1,434,838.46, 1,980,166.95 and 790,258.50

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Solution

The fourth proportional to 1,434,838.46, 1,980,166.95 and 790,258.50 is: 1,090,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,838.46 : 1,980,166.95 = 790,258.50 : x
  2. Step 2: Convert to fraction form
    1,434,838.46/1,980,166.95 = 790,258.50/x
  3. Step 3: Cross multiply
    1,434,838.46x = 1,980,166.95 × 790,258.50
  4. Step 4: Simplify right side
    1,434,838.46x = 1,564,843,763,656.58
  5. Step 5: Solve for x
    x = 1,564,843,763,656.58/1,434,838.46
  6. Step 6: Final answer
    x = 1,090,606.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.