Home / 1,154,328.60-1,731,492.90-312,880.35

Finding the Fourth Proportional to 1,154,328.60, 1,731,492.90 and 312,880.35

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Solution

The fourth proportional to 1,154,328.60, 1,731,492.90 and 312,880.35 is: 469,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,328.60 : 1,731,492.90 = 312,880.35 : x
  2. Step 2: Convert to fraction form
    1,154,328.60/1,731,492.90 = 312,880.35/x
  3. Step 3: Cross multiply
    1,154,328.60x = 1,731,492.90 × 312,880.35
  4. Step 4: Simplify right side
    1,154,328.60x = 541,750,104,574.52
  5. Step 5: Solve for x
    x = 541,750,104,574.52/1,154,328.60
  6. Step 6: Final answer
    x = 469,320.53

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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.