Home / 990,461.60-1,366,815.78-537,752.60

Finding the Fourth Proportional to 990,461.60, 1,366,815.78 and 537,752.60

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Solution

The fourth proportional to 990,461.60, 1,366,815.78 and 537,752.60 is: 742,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,461.60 : 1,366,815.78 = 537,752.60 : x
  2. Step 2: Convert to fraction form
    990,461.60/1,366,815.78 = 537,752.60/x
  3. Step 3: Cross multiply
    990,461.60x = 1,366,815.78 × 537,752.60
  4. Step 4: Simplify right side
    990,461.60x = 735,008,739,416.03
  5. Step 5: Solve for x
    x = 735,008,739,416.03/990,461.60
  6. Step 6: Final answer
    x = 742,087.06

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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.