Home / 1,448,357.16-1,998,270.50-836,429.10

Finding the Fourth Proportional to 1,448,357.16, 1,998,270.50 and 836,429.10

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Solution

The fourth proportional to 1,448,357.16, 1,998,270.50 and 836,429.10 is: 1,154,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,357.16 : 1,998,270.50 = 836,429.10 : x
  2. Step 2: Convert to fraction form
    1,448,357.16/1,998,270.50 = 836,429.10/x
  3. Step 3: Cross multiply
    1,448,357.16x = 1,998,270.50 × 836,429.10
  4. Step 4: Simplify right side
    1,448,357.16x = 1,671,411,595,871.55
  5. Step 5: Solve for x
    x = 1,671,411,595,871.55/1,448,357.16
  6. Step 6: Final answer
    x = 1,154,005.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.