Home / 1,302,279.60-1,953,419.40-460,916.40

Finding the Fourth Proportional to 1,302,279.60, 1,953,419.40 and 460,916.40

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Solution

The fourth proportional to 1,302,279.60, 1,953,419.40 and 460,916.40 is: 691,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,279.60 : 1,953,419.40 = 460,916.40 : x
  2. Step 2: Convert to fraction form
    1,302,279.60/1,953,419.40 = 460,916.40/x
  3. Step 3: Cross multiply
    1,302,279.60x = 1,953,419.40 × 460,916.40
  4. Step 4: Simplify right side
    1,302,279.60x = 900,363,037,538.16
  5. Step 5: Solve for x
    x = 900,363,037,538.16/1,302,279.60
  6. Step 6: Final answer
    x = 691,374.60

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Double scale
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1.5x scale

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.