Home / 1,148,364-1,721,966.85-668,746.80

Finding the Fourth Proportional to 1,148,364, 1,721,966.85 and 668,746.80

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Solution

The fourth proportional to 1,148,364, 1,721,966.85 and 668,746.80 is: 1,002,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,364 : 1,721,966.85 = 668,746.80 : x
  2. Step 2: Convert to fraction form
    1,148,364/1,721,966.85 = 668,746.80/x
  3. Step 3: Cross multiply
    1,148,364x = 1,721,966.85 × 668,746.80
  4. Step 4: Simplify right side
    1,148,364x = 1,151,559,820,643.58
  5. Step 5: Solve for x
    x = 1,151,559,820,643.58/1,148,364
  6. Step 6: Final answer
    x = 1,002,782.93

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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.