Home / 1,358,274.50-1,875,993.45-904,778.18

Finding the Fourth Proportional to 1,358,274.50, 1,875,993.45 and 904,778.18

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Solution

The fourth proportional to 1,358,274.50, 1,875,993.45 and 904,778.18 is: 1,249,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,274.50 : 1,875,993.45 = 904,778.18 : x
  2. Step 2: Convert to fraction form
    1,358,274.50/1,875,993.45 = 904,778.18/x
  3. Step 3: Cross multiply
    1,358,274.50x = 1,875,993.45 × 904,778.18
  4. Step 4: Simplify right side
    1,358,274.50x = 1,697,357,939,382.92
  5. Step 5: Solve for x
    x = 1,697,357,939,382.92/1,358,274.50
  6. Step 6: Final answer
    x = 1,249,642.79

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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.