Home / 1,039,808.80-1,559,931.90-440,461.45

Finding the Fourth Proportional to 1,039,808.80, 1,559,931.90 and 440,461.45

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Solution

The fourth proportional to 1,039,808.80, 1,559,931.90 and 440,461.45 is: 660,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,808.80 : 1,559,931.90 = 440,461.45 : x
  2. Step 2: Convert to fraction form
    1,039,808.80/1,559,931.90 = 440,461.45/x
  3. Step 3: Cross multiply
    1,039,808.80x = 1,559,931.90 × 440,461.45
  4. Step 4: Simplify right side
    1,039,808.80x = 687,089,866,575.26
  5. Step 5: Solve for x
    x = 687,089,866,575.26/1,039,808.80
  6. Step 6: Final answer
    x = 660,784.82

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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.