Home / 1,038,501.20-1,557,636.60-290,622.80

Finding the Fourth Proportional to 1,038,501.20, 1,557,636.60 and 290,622.80

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Solution

The fourth proportional to 1,038,501.20, 1,557,636.60 and 290,622.80 is: 435,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,501.20 : 1,557,636.60 = 290,622.80 : x
  2. Step 2: Convert to fraction form
    1,038,501.20/1,557,636.60 = 290,622.80/x
  3. Step 3: Cross multiply
    1,038,501.20x = 1,557,636.60 × 290,622.80
  4. Step 4: Simplify right side
    1,038,501.20x = 452,684,710,074.48
  5. Step 5: Solve for x
    x = 452,684,710,074.48/1,038,501.20
  6. Step 6: Final answer
    x = 435,901.96

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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.