Home / 1,100,070.80-1,650,397.80-390,024.80

Finding the Fourth Proportional to 1,100,070.80, 1,650,397.80 and 390,024.80

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Solution

The fourth proportional to 1,100,070.80, 1,650,397.80 and 390,024.80 is: 585,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,070.80 : 1,650,397.80 = 390,024.80 : x
  2. Step 2: Convert to fraction form
    1,100,070.80/1,650,397.80 = 390,024.80/x
  3. Step 3: Cross multiply
    1,100,070.80x = 1,650,397.80 × 390,024.80
  4. Step 4: Simplify right side
    1,100,070.80x = 643,696,071,865.44
  5. Step 5: Solve for x
    x = 643,696,071,865.44/1,100,070.80
  6. Step 6: Final answer
    x = 585,140.59

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1.5x scale

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.