Home / 1,026,172.80-1,539,259.20-426,934.80

Finding the Fourth Proportional to 1,026,172.80, 1,539,259.20 and 426,934.80

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Solution

The fourth proportional to 1,026,172.80, 1,539,259.20 and 426,934.80 is: 640,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,172.80 : 1,539,259.20 = 426,934.80 : x
  2. Step 2: Convert to fraction form
    1,026,172.80/1,539,259.20 = 426,934.80/x
  3. Step 3: Cross multiply
    1,026,172.80x = 1,539,259.20 × 426,934.80
  4. Step 4: Simplify right side
    1,026,172.80x = 657,163,318,700.16
  5. Step 5: Solve for x
    x = 657,163,318,700.16/1,026,172.80
  6. Step 6: Final answer
    x = 640,402.20

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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.