Home / 1,435,807.40-2,153,322.30-424,927.40

Finding the Fourth Proportional to 1,435,807.40, 2,153,322.30 and 424,927.40

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Solution

The fourth proportional to 1,435,807.40, 2,153,322.30 and 424,927.40 is: 637,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,807.40 : 2,153,322.30 = 424,927.40 : x
  2. Step 2: Convert to fraction form
    1,435,807.40/2,153,322.30 = 424,927.40/x
  3. Step 3: Cross multiply
    1,435,807.40x = 2,153,322.30 × 424,927.40
  4. Step 4: Simplify right side
    1,435,807.40x = 915,005,646,301.02
  5. Step 5: Solve for x
    x = 915,005,646,301.02/1,435,807.40
  6. Step 6: Final answer
    x = 637,276.03

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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.