Home / 1,688,303.54-2,330,080.62-962,984.72

Finding the Fourth Proportional to 1,688,303.54, 2,330,080.62 and 962,984.72

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Solution

The fourth proportional to 1,688,303.54, 2,330,080.62 and 962,984.72 is: 1,329,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,303.54 : 2,330,080.62 = 962,984.72 : x
  2. Step 2: Convert to fraction form
    1,688,303.54/2,330,080.62 = 962,984.72/x
  3. Step 3: Cross multiply
    1,688,303.54x = 2,330,080.62 × 962,984.72
  4. Step 4: Simplify right side
    1,688,303.54x = 2,243,832,033,428.13
  5. Step 5: Solve for x
    x = 2,243,832,033,428.13/1,688,303.54
  6. Step 6: Final answer
    x = 1,329,045.39

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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.