Home / 1,430,633.60-1,974,307.02-786,012.92

Finding the Fourth Proportional to 1,430,633.60, 1,974,307.02 and 786,012.92

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Solution

The fourth proportional to 1,430,633.60, 1,974,307.02 and 786,012.92 is: 1,084,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,633.60 : 1,974,307.02 = 786,012.92 : x
  2. Step 2: Convert to fraction form
    1,430,633.60/1,974,307.02 = 786,012.92/x
  3. Step 3: Cross multiply
    1,430,633.60x = 1,974,307.02 × 786,012.92
  4. Step 4: Simplify right side
    1,430,633.60x = 1,551,830,825,766.70
  5. Step 5: Solve for x
    x = 1,551,830,825,766.70/1,430,633.60
  6. Step 6: Final answer
    x = 1,084,715.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.