Home / 1,314,208.30-1,971,312.45-472,650.70

Finding the Fourth Proportional to 1,314,208.30, 1,971,312.45 and 472,650.70

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Solution

The fourth proportional to 1,314,208.30, 1,971,312.45 and 472,650.70 is: 708,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,208.30 : 1,971,312.45 = 472,650.70 : x
  2. Step 2: Convert to fraction form
    1,314,208.30/1,971,312.45 = 472,650.70/x
  3. Step 3: Cross multiply
    1,314,208.30x = 1,971,312.45 × 472,650.70
  4. Step 4: Simplify right side
    1,314,208.30x = 931,742,209,411.22
  5. Step 5: Solve for x
    x = 931,742,209,411.22/1,314,208.30
  6. Step 6: Final answer
    x = 708,976.05

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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.