Home / 1,216,582.32-1,678,210.20-707,228.40

Finding the Fourth Proportional to 1,216,582.32, 1,678,210.20 and 707,228.40

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Solution

The fourth proportional to 1,216,582.32, 1,678,210.20 and 707,228.40 is: 975,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,582.32 : 1,678,210.20 = 707,228.40 : x
  2. Step 2: Convert to fraction form
    1,216,582.32/1,678,210.20 = 707,228.40/x
  3. Step 3: Cross multiply
    1,216,582.32x = 1,678,210.20 × 707,228.40
  4. Step 4: Simplify right side
    1,216,582.32x = 1,186,877,914,609.68
  5. Step 5: Solve for x
    x = 1,186,877,914,609.68/1,216,582.32
  6. Step 6: Final answer
    x = 975,583.73

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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.