Home / 1,038,350.40-1,554,415.20-617,409.60

Finding the Fourth Proportional to 1,038,350.40, 1,554,415.20 and 617,409.60

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Solution

The fourth proportional to 1,038,350.40, 1,554,415.20 and 617,409.60 is: 924,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,350.40 : 1,554,415.20 = 617,409.60 : x
  2. Step 2: Convert to fraction form
    1,038,350.40/1,554,415.20 = 617,409.60/x
  3. Step 3: Cross multiply
    1,038,350.40x = 1,554,415.20 × 617,409.60
  4. Step 4: Simplify right side
    1,038,350.40x = 959,710,866,865.92
  5. Step 5: Solve for x
    x = 959,710,866,865.92/1,038,350.40
  6. Step 6: Final answer
    x = 924,264.94

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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.