Home / 990,543.20-1,366,955.06-537,834.20

Finding the Fourth Proportional to 990,543.20, 1,366,955.06 and 537,834.20

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Solution

The fourth proportional to 990,543.20, 1,366,955.06 and 537,834.20 is: 742,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,543.20 : 1,366,955.06 = 537,834.20 : x
  2. Step 2: Convert to fraction form
    990,543.20/1,366,955.06 = 537,834.20/x
  3. Step 3: Cross multiply
    990,543.20x = 1,366,955.06 × 537,834.20
  4. Step 4: Simplify right side
    990,543.20x = 735,195,171,607.11
  5. Step 5: Solve for x
    x = 735,195,171,607.11/990,543.20
  6. Step 6: Final answer
    x = 742,214.15

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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.