Home / 1,009,336.95-1,513,395.60-402,218.66

Finding the Fourth Proportional to 1,009,336.95, 1,513,395.60 and 402,218.66

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Solution

The fourth proportional to 1,009,336.95, 1,513,395.60 and 402,218.66 is: 603,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,336.95 : 1,513,395.60 = 402,218.66 : x
  2. Step 2: Convert to fraction form
    1,009,336.95/1,513,395.60 = 402,218.66/x
  3. Step 3: Cross multiply
    1,009,336.95x = 1,513,395.60 × 402,218.66
  4. Step 4: Simplify right side
    1,009,336.95x = 608,715,942,714.92
  5. Step 5: Solve for x
    x = 608,715,942,714.92/1,009,336.95
  6. Step 6: Final answer
    x = 603,084.97

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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.