Home / 1,020,207.60-1,528,561.80-665,038.80

Finding the Fourth Proportional to 1,020,207.60, 1,528,561.80 and 665,038.80

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Solution

The fourth proportional to 1,020,207.60, 1,528,561.80 and 665,038.80 is: 996,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,207.60 : 1,528,561.80 = 665,038.80 : x
  2. Step 2: Convert to fraction form
    1,020,207.60/1,528,561.80 = 665,038.80/x
  3. Step 3: Cross multiply
    1,020,207.60x = 1,528,561.80 × 665,038.80
  4. Step 4: Simplify right side
    1,020,207.60x = 1,016,552,905,197.84
  5. Step 5: Solve for x
    x = 1,016,552,905,197.84/1,020,207.60
  6. Step 6: Final answer
    x = 996,417.69

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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.