Home / 1,490,298.90-2,235,739.95-637,368.90

Finding the Fourth Proportional to 1,490,298.90, 2,235,739.95 and 637,368.90

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Solution

The fourth proportional to 1,490,298.90, 2,235,739.95 and 637,368.90 is: 956,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,298.90 : 2,235,739.95 = 637,368.90 : x
  2. Step 2: Convert to fraction form
    1,490,298.90/2,235,739.95 = 637,368.90/x
  3. Step 3: Cross multiply
    1,490,298.90x = 2,235,739.95 × 637,368.90
  4. Step 4: Simplify right side
    1,490,298.90x = 1,424,991,112,617.56
  5. Step 5: Solve for x
    x = 1,424,991,112,617.56/1,490,298.90
  6. Step 6: Final answer
    x = 956,178.06

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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.