Home / 1,463,985.32-2,020,299.16-819,405.40

Finding the Fourth Proportional to 1,463,985.32, 2,020,299.16 and 819,405.40

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Solution

The fourth proportional to 1,463,985.32, 2,020,299.16 and 819,405.40 is: 1,130,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,985.32 : 2,020,299.16 = 819,405.40 : x
  2. Step 2: Convert to fraction form
    1,463,985.32/2,020,299.16 = 819,405.40/x
  3. Step 3: Cross multiply
    1,463,985.32x = 2,020,299.16 × 819,405.40
  4. Step 4: Simplify right side
    1,463,985.32x = 1,655,444,041,319.46
  5. Step 5: Solve for x
    x = 1,655,444,041,319.46/1,463,985.32
  6. Step 6: Final answer
    x = 1,130,779.13

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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.