Home / 1,013,509.55-1,398,643.27-554,624.10

Finding the Fourth Proportional to 1,013,509.55, 1,398,643.27 and 554,624.10

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Solution

The fourth proportional to 1,013,509.55, 1,398,643.27 and 554,624.10 is: 765,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,509.55 : 1,398,643.27 = 554,624.10 : x
  2. Step 2: Convert to fraction form
    1,013,509.55/1,398,643.27 = 554,624.10/x
  3. Step 3: Cross multiply
    1,013,509.55x = 1,398,643.27 × 554,624.10
  4. Step 4: Simplify right side
    1,013,509.55x = 775,721,264,844.81
  5. Step 5: Solve for x
    x = 775,721,264,844.81/1,013,509.55
  6. Step 6: Final answer
    x = 765,381.31

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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.