Home / 749,873.60-1,124,810.40-692,136.80

Finding the Fourth Proportional to 749,873.60, 1,124,810.40 and 692,136.80

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Solution

The fourth proportional to 749,873.60, 1,124,810.40 and 692,136.80 is: 1,038,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,873.60 : 1,124,810.40 = 692,136.80 : x
  2. Step 2: Convert to fraction form
    749,873.60/1,124,810.40 = 692,136.80/x
  3. Step 3: Cross multiply
    749,873.60x = 1,124,810.40 × 692,136.80
  4. Step 4: Simplify right side
    749,873.60x = 778,522,670,862.72
  5. Step 5: Solve for x
    x = 778,522,670,862.72/749,873.60
  6. Step 6: Final answer
    x = 1,038,205.20

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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.