Home / 1,289,633.04-1,779,397.32-800,043

Finding the Fourth Proportional to 1,289,633.04, 1,779,397.32 and 800,043

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Solution

The fourth proportional to 1,289,633.04, 1,779,397.32 and 800,043 is: 1,103,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,633.04 : 1,779,397.32 = 800,043 : x
  2. Step 2: Convert to fraction form
    1,289,633.04/1,779,397.32 = 800,043/x
  3. Step 3: Cross multiply
    1,289,633.04x = 1,779,397.32 × 800,043
  4. Step 4: Simplify right side
    1,289,633.04x = 1,423,594,370,084.76
  5. Step 5: Solve for x
    x = 1,423,594,370,084.76/1,289,633.04
  6. Step 6: Final answer
    x = 1,103,875.54

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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.