Home / 1,039,681.60-1,559,522.40-540,980.80

Finding the Fourth Proportional to 1,039,681.60, 1,559,522.40 and 540,980.80

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Solution

The fourth proportional to 1,039,681.60, 1,559,522.40 and 540,980.80 is: 811,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,681.60 : 1,559,522.40 = 540,980.80 : x
  2. Step 2: Convert to fraction form
    1,039,681.60/1,559,522.40 = 540,980.80/x
  3. Step 3: Cross multiply
    1,039,681.60x = 1,559,522.40 × 540,980.80
  4. Step 4: Simplify right side
    1,039,681.60x = 843,671,675,569.92
  5. Step 5: Solve for x
    x = 843,671,675,569.92/1,039,681.60
  6. Step 6: Final answer
    x = 811,471.20

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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.