Home / 1,358,275-1,875,994.14-904,778.68

Finding the Fourth Proportional to 1,358,275, 1,875,994.14 and 904,778.68

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Solution

The fourth proportional to 1,358,275, 1,875,994.14 and 904,778.68 is: 1,249,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,275 : 1,875,994.14 = 904,778.68 : x
  2. Step 2: Convert to fraction form
    1,358,275/1,875,994.14 = 904,778.68/x
  3. Step 3: Cross multiply
    1,358,275x = 1,875,994.14 × 904,778.68
  4. Step 4: Simplify right side
    1,358,275x = 1,697,359,501,676.94
  5. Step 5: Solve for x
    x = 1,697,359,501,676.94/1,358,275
  6. Step 6: Final answer
    x = 1,249,643.48

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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.