Home / 1,742,493.40-2,613,869.70-620,416.60

Finding the Fourth Proportional to 1,742,493.40, 2,613,869.70 and 620,416.60

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Solution

The fourth proportional to 1,742,493.40, 2,613,869.70 and 620,416.60 is: 930,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,493.40 : 2,613,869.70 = 620,416.60 : x
  2. Step 2: Convert to fraction form
    1,742,493.40/2,613,869.70 = 620,416.60/x
  3. Step 3: Cross multiply
    1,742,493.40x = 2,613,869.70 × 620,416.60
  4. Step 4: Simplify right side
    1,742,493.40x = 1,621,688,152,117.02
  5. Step 5: Solve for x
    x = 1,621,688,152,117.02/1,742,493.40
  6. Step 6: Final answer
    x = 930,671.04

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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.