Home / 1,090,352.40-1,635,528.60-1,020,368.40

Finding the Fourth Proportional to 1,090,352.40, 1,635,528.60 and 1,020,368.40

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Solution

The fourth proportional to 1,090,352.40, 1,635,528.60 and 1,020,368.40 is: 1,530,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,352.40 : 1,635,528.60 = 1,020,368.40 : x
  2. Step 2: Convert to fraction form
    1,090,352.40/1,635,528.60 = 1,020,368.40/x
  3. Step 3: Cross multiply
    1,090,352.40x = 1,635,528.60 × 1,020,368.40
  4. Step 4: Simplify right side
    1,090,352.40x = 1,668,841,700,736.24
  5. Step 5: Solve for x
    x = 1,668,841,700,736.24/1,090,352.40
  6. Step 6: Final answer
    x = 1,530,552.60

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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.