Home / 1,314,437.60-1,971,656.40-472,685.60

Finding the Fourth Proportional to 1,314,437.60, 1,971,656.40 and 472,685.60

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Solution

The fourth proportional to 1,314,437.60, 1,971,656.40 and 472,685.60 is: 709,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,437.60 : 1,971,656.40 = 472,685.60 : x
  2. Step 2: Convert to fraction form
    1,314,437.60/1,971,656.40 = 472,685.60/x
  3. Step 3: Cross multiply
    1,314,437.60x = 1,971,656.40 × 472,685.60
  4. Step 4: Simplify right side
    1,314,437.60x = 931,973,588,427.84
  5. Step 5: Solve for x
    x = 931,973,588,427.84/1,314,437.60
  6. Step 6: Final answer
    x = 709,028.40

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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.