Home / 1,186,746.90-1,780,095.71-288,193.34

Finding the Fourth Proportional to 1,186,746.90, 1,780,095.71 and 288,193.34

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Solution

The fourth proportional to 1,186,746.90, 1,780,095.71 and 288,193.34 is: 432,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,746.90 : 1,780,095.71 = 288,193.34 : x
  2. Step 2: Convert to fraction form
    1,186,746.90/1,780,095.71 = 288,193.34/x
  3. Step 3: Cross multiply
    1,186,746.90x = 1,780,095.71 × 288,193.34
  4. Step 4: Simplify right side
    1,186,746.90x = 513,011,717,843.13
  5. Step 5: Solve for x
    x = 513,011,717,843.13/1,186,746.90
  6. Step 6: Final answer
    x = 432,284.02

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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.