Home / 1,208,641.60-1,812,962.40-907,491.70

Finding the Fourth Proportional to 1,208,641.60, 1,812,962.40 and 907,491.70

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Solution

The fourth proportional to 1,208,641.60, 1,812,962.40 and 907,491.70 is: 1,361,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,641.60 : 1,812,962.40 = 907,491.70 : x
  2. Step 2: Convert to fraction form
    1,208,641.60/1,812,962.40 = 907,491.70/x
  3. Step 3: Cross multiply
    1,208,641.60x = 1,812,962.40 × 907,491.70
  4. Step 4: Simplify right side
    1,208,641.60x = 1,645,248,330,412.08
  5. Step 5: Solve for x
    x = 1,645,248,330,412.08/1,208,641.60
  6. Step 6: Final answer
    x = 1,361,237.55

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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.